Table of Contents
Maintenance and Service Guide
HP EliteDesk 800 G4 TWR Business PC
HP EliteDesk 880 G4 TWR Business PC
Table of Contents
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Summary of Contents for HP EliteDesk 880 G4 TWR

  • Page 1 Maintenance and Service Guide HP EliteDesk 800 G4 TWR Business PC HP EliteDesk 880 G4 TWR Business PC...
  • Page 2 HP Inc. under license. user guide, go to http://www.hp.com/support, bound by the terms of the HP End User License Intel, Celeron, and Pentium are trademarks of and follow the instructions to find your Agreement (EULA).
  • Page 3 Safety warning notice WARNING! To reduce the possibility of heat-related injuries or of overheating the device, do not place the device directly on your lap or obstruct the device air vents. Use the device only on a hard, flat surface. Do not allow another hard surface, such as an adjoining optional printer, or a soft surface, such as pillows or rugs or clothing, to block airflow.
  • Page 4 Safety warning notice...
  • Page 5: Table Of Contents

    Table of contents 1 Product features ............................1 Standard configuration features ........................... 1 Front panel components ............................2 Rear panel components ............................3 Serial number location ............................4 2 Illustrated parts catalog ..........................5 Computer major components ..........................5 Miscellaneous parts ............................... 8 3 Routine care, SATA drive guidelines, and disassembly preparation ..............
  • Page 6 4 Removal and replacement procedures ......................18 Preparation for disassembly ..........................18 Access panel ................................. 19 Front bezel ................................20 Front bezel security ............................. 21 Removing bezel blanks ............................22 Optional front bezel dust filter ..........................23 System board connections ..........................24 Memory ................................
  • Page 7 Interpreting system validation diagnostic front panel LEDs and audible codes ..........115 8 Password security and resetting CMOS ......................117 Resetting the password jumper ........................117 Clearing and resetting the BIOS ........................119 9 Using HP PC Hardware Diagnostics ......................120 Using HP PC Hardware Diagnostics Windows ....................120...
  • Page 8 Using HP PC Hardware Diagnostics UEFI ......................121 Starting HP PC Hardware Diagnostics UEFI ..................122 Downloading HP PC Hardware Diagnostics UEFI to a USB flash drive ..........122 Downloading the latest HP PC Hardware Diagnostics UEFI version ......122 Downloading HP PC Hardware Diagnostics UEFI by product name or number (select products only) ....................
  • Page 9: Product Features

    Standard configuration features Features may vary depending on the model. For support assistance and to learn more about the hardware and software installed on your computer model, run the HP Support Assistant utility. NOTE: This computer model can be used in a tower orientation or a desktop orientation.
  • Page 10: Front Panel Components

    Front panel components Drive configuration may vary by model. Some models have a bezel blank covering one or more drive bays. Front panel components 5.25-inch half-height drive bay (behind bezel) Audio-out (headphone) jack Slim optical drive (optional) USB 2.0 port (fast charging port) SD card reader (optional) USB 2.0 port Power button...
  • Page 11: Rear Panel Components

    Power cord connector NOTE: Your model may have additional optional ports available from HP. When a graphics card is installed in one of the system board slots, the video connectors on the graphics card and/or the integrated graphics on the system board may be used. The specific graphics card installed and software configuration will determine the behavior.
  • Page 12: Serial Number Location

    Serial number location Each computer has a unique serial number and a product ID number that are located on the exterior of the computer. Keep these numbers available for use when contacting customer service for assistance. Chapter 1 Product features...
  • Page 13: Illustrated Parts Catalog

    Illustrated parts catalog NOTE: HP continually improves and changes product parts. For complete and current information on supported parts for your computer, go to http://partsurfer.hp.com, select your country or region, and then follow the on-screen instructions. Computer major components Item...
  • Page 14 Item Description WLAN modules Intel Dual Band Wireless-AC 9560 802.11 AC 2x2 WiFi + Bluetooth 5.0 Combo Adapter (vPro) Intel Dual Band Wireless-AC 9560 802.11 AC 2x2 WiFi + Bluetooth 5.0 Combo Adapter (non-vPro) Realtek RTL8821CE 802.11 ac 1x1 WiFi + BT 4.2 Combo Adapter (MU-MIMO supported) Realtek RTL8822BE 802.11 ac 2x2 WiFi + BT 4.2 Combo Adapter (MU-MIMO supported) SATA data cable, 17.7 inch, 2 straight ends SATA data cable, 6 inch, 1 straight end, 1 angled end (not illustrated)
  • Page 15 Item Description Intel Core i3-8011 processor Intel Pentium G5600 processor Intel Pentium G5500 processor Intel Pentium G5400 processor Intel Celeron G4900 processor (18) Memory module (UDIMM, non-ECC, 1.2v, PC4-2666) 16-GB 8-GB (19) RTC battery (20) System board (includes replacement thermal material) (21) Card reader assembly (22)
  • Page 16: Miscellaneous Parts

    (26) Optical drives, 9.5 mm DVD Blu-ray-writer DVD±RW drive DVD-ROM drive Miscellaneous parts Description HP USB-Type C to USB Type-A Hub (not illustrated) SATA drive power cable DisplayPort cable DVI monitor cable Adapters DisplayPort to VGA DisplayPort to DVI DisplayPort to HDMI 2.0 USB Type-C to USB 3.0...
  • Page 17 Description USB, grey Power cord Miscellaneous parts...
  • Page 18: Routine Care, Sata Drive Guidelines, And Disassembly Preparation

    Routine care, SATA drive guidelines, and disassembly preparation This chapter provides general service information for the computer. Adherence to the procedures and precautions described in this chapter is essential for proper service. CAUTION: When the computer is plugged into an AC power source, voltage is always applied to the system board.
  • Page 19: Preventing Electrostatic Damage To Equipment

    Preventing electrostatic damage to equipment Many electronic components are sensitive to ESD. Circuitry design and structure determine the degree of sensitivity. The following packaging and grounding precautions are necessary to prevent damage to electric components and accessories. ● To avoid hand contact, transport products in static-safe containers such as tubes, bags, or boxes. ●...
  • Page 20: Recommended Materials And Equipment

    Recommended materials and equipment Materials and equipment that are recommended for use in preventing static electricity include: ● Antistatic tape ● Antistatic smocks, aprons, or sleeve protectors Conductive bins and other assembly or soldering aids ● ● Conductive foam ● Conductive tabletop workstations with ground cord of one-megohm +/- 10% resistance ●...
  • Page 21: Routine Care

    ● Never cover the ventilation slots on the monitor with any type of material. Install or enable power management functions of the operating system or other software, including ● sleep states. Routine care General cleaning safety precautions Never use solvents or flammable solutions to clean the computer. Never immerse any parts in water or cleaning solutions;...
  • Page 22: Cleaning The Monitor

    The screws used in the computer are not interchangeable. They may have standard or metric threads and may be of different lengths. If an incorrect screw is used during the reassembly process, it can damage the unit. HP Chapter 3 Routine care, SATA drive guidelines, and disassembly preparation...
  • Page 23: Cables And Connectors

    Batteries, battery packs, and accumulators should not be disposed of together with the general household waste. In order to forward them to recycling or proper disposal, please use the public collection system or return them to HP, their authorized partners, or their agents. Service considerations...
  • Page 24: Sata Hard Drives

    Data transfer rate 6.0 Gb/s SATA data cable Always use an HP approved SATA 6.0 Gb/s cable as it is fully backwards compatible with the SATA 1.5 Gb/s drives. Current HP desktop products ship with SATA 6.0 Gb/s hard drives.
  • Page 25: Cable Management

    Cable management Always follow good cable management practices when working inside the computer. Keep cables away from major heat sources like the heat sink. ● ● Do not jam cables on top of expansion cards or memory modules. Printed circuit cards like these are not designed to take excessive pressure on them.
  • Page 26: Removal And Replacement Procedures

    Removal and replacement procedures Adherence to the procedures and precautions described in this chapter is essential for proper service. After completing all necessary removal and replacement procedures, run the Diagnostics utility to verify that all components operate properly. NOTE: Not all features listed in this guide are available on all computers. Preparation for disassembly Routine care, SATA drive guidelines, and disassembly preparation on page 10 for initial safety procedures.
  • Page 27: Access Panel

    Access panel To access internal components, you must remove the access panel: Prepare the computer for disassembly (Preparation for disassembly on page Slide the access panel release lever to the left (1) so that it locks into place. Then slide the access panel back (2) and lift it off the computer (3).
  • Page 28: Front Bezel

    Front bezel Prepare the computer for disassembly (Preparation for disassembly on page Remove the access panel (Access panel on page Lift up the three tabs on the top of the bezel (1), and then rotate the bezel off the chassis (2). To replace the front bezel, reverse the disassembly procedures.
  • Page 29: Front Bezel Security

    Front bezel security The front bezel can be secured in place by installing a screw through the front of the chassis into the front bezel. Prepare the computer for disassembly (Preparation for disassembly on page Remove the access panel (Access panel on page Remove the silver 6-32 security screw located on the chassis.
  • Page 30: Removing Bezel Blanks

    Removing bezel blanks On some models, there may be bezel blanks covering the optical drive bays. You must remove the bezel blank before installing an optical drive. To remove a bezel blank: Prepare the computer for disassembly (Preparation for disassembly on page Remove the access panel (Access panel on page Remove the front bezel...
  • Page 31: Optional Front Bezel Dust Filter

    NOTE: The optional front bezel dust filter is available from HP. To remove, clean, and replace the dust filter: Prepare the computer for disassembly...
  • Page 32: System Board Connections

    System board connections Refer to the following illustration and table to identify the system board connectors for your model. Item System board connector System board label Color Component PCI Express x16 downshifted to X4PCIEXP white Expansion card a x4 PCI Express x1 X1PCIEXP2 Black Expansion card...
  • Page 33: Memory

    Memory The computer comes with double data rate 4 synchronous dynamic random access memory (DDR4-SDRAM) dual inline memory modules (DIMMs). The memory sockets on the system board are populated with at least one preinstalled memory module. To achieve the maximum memory support, you can populate the system board with up to 64 GB of memory configured in a high-performing dual-channel mode.
  • Page 34: Removing And Installing Dimms

    DIMM and one 1 GB DIMM, and Channel B should be populated with the other two 1 GB DIMMs. With this configuration, 4 GB will run as dual-channel and 1 GB will run as single-channel. In any mode, the maximum operational speed is determined by the slowest DIMM in the system. ●...
  • Page 35 Push the module down into the socket, ensuring that the module is fully inserted and properly seated. Make sure the latches are in the closed position (3). Replace the computer access panel. Reconnect the power cord and turn on the computer. Lock any security devices that were disengaged when the access panel was removed.
  • Page 36: Drive Cage

    Drive cage You must rotate the drive cage to the upright position to access components underneath it. To rotate the drive cage: Prepare the computer for disassembly (Preparation for disassembly on page Remove the access panel (Access panel on page Remove the front bezel (Front bezel on page 20).
  • Page 37: Drives

    Drives IMPORTANT: To prevent loss of work and damage to the computer or drive: If you are inserting or removing a drive, shut down the operating system properly, turn off the computer, and unplug the power cord. Do not remove a drive while the computer is on or in standby mode. Before handling a drive, be sure that you are discharged of static electricity.
  • Page 38: Removing And Installing Drives

    ● You must install mounting screws for hard drives and 5.25-inch optical drives to ensure the drive will line up correctly in the drive cage and lock in place. Mounting screws can be purchased from HP. Removing a 5.25-inch drive CAUTION: All removable media should be taken out of a drive before removing the drive from the computer.
  • Page 39 Push the green drivelock mechanism towards the optical drive (1), and then slide the drive from the drive bay (2). Drives...
  • Page 40: Installing A 5.25-Inch Drive

    Installing a 5.25-inch drive Prepare the computer for disassembly (Preparation for disassembly on page Remove the access panel (Access panel on page Remove the front bezel. If you are installing a drive in a bay covered by a bezel blank, remove the bezel blank.
  • Page 41: Removing A 9.5 Mm Slim Optical Drive

    Slide the drive into the drive bay, making sure to align the mounting screws with the mounting slots, until the drive snaps into place. Connect the power cable (1) and data cable (2) to the rear of the optical drive. Connect the opposite end of the data cable to one of the light-blue SATA connectors on the system board.
  • Page 42: Installing A 9.5 Mm Slim Optical Drive

    Disconnect the power cable (1) and data cable (2) from the rear of the drive. IMPORTANT: When removing the cables, pull the tab or connector instead of the cable itself to avoid damaging the cable. Push the green release latch on the right rear side of the drive toward the center of the drive (1), and then slide the drive forward and out of the bay (2).
  • Page 43 Align the small pin on the release latch with the small hole on the side of the drive and press the latch firmly onto the drive. Slide the optical drive through the front bezel all the way into the bay (1) so that the latch on the rear of the drive locks into place (2).
  • Page 44 Connect the power cable (1) and data cable (2) to the rear of the optical drive. Connect the opposite end of the data cable to one of the light-blue SATA connectors on the system board. NOTE: Refer to System board connections on page 24 for an illustration of the system board drive connectors.
  • Page 45: Removing A 3.5-Inch Hard Drive

    Removing a 3.5-inch hard drive NOTE: Before you remove the old hard drive, be sure to back up the data from the old hard drive so that you can transfer the data to the new hard drive. Prepare the computer for disassembly (Preparation for disassembly on page Remove the access panel (Access panel on page...
  • Page 46: Installing A 3.5-Inch Hard Drive

    Install mounting screws on the sides of the hard drive using standard 6-32 silver-and-blue mounting screws. NOTE: 6-32 mounting screws can be purchased from HP. If you are replacing a drive, transfer the mounting screws from the old drive to the new drive. ●...
  • Page 47 ● You can also install a 2.5-inch hard drive into a 3.5-inch drive bay using an adapter bracket similar to the example shown below. – Slide the 2.5-inch drive into the 3.5-inch adapter bracket. Drives...
  • Page 48 Secure the drive to the bay adapter bracket by installing four black M3 adapter bracket screws – through the underside of the bracket and into the drive. – Install four 6-32 silver-and-blue mounting screws in the adapter bracket (two on each side of the bracket).
  • Page 49 Slide the drive into the drive bay, making sure to align the mounting screws with the mounting slots, until the drive snaps into place. Rotate the drive cage down (see Drive cage on page Connect the power cable (1) and data cable (2) to the rear of the hard drive. If installing a new drive, connect the opposite end of the data cable to the appropriate system board connector.
  • Page 50: Removing A 2.5-Inch Hard Drive

    Removing a 2.5-inch hard drive Prepare the computer for disassembly (Preparation for disassembly on page Remove the access panel (Access panel on page Disconnect the power cable (1) and data cable (2) from the rear of the hard drive. Pull the release lever at the rear of the drive outward (1) and lift the rear of the drive up (2). Then slide the front of the drive back until it stops and pull the drive up and out of the drive bay (3).
  • Page 51: Installing A 2.5-Inch Hard Drive

    Install four black-and-blue M3 mounting screws (two on each side of the drive). NOTE: M3 metric mounting screws can be purchased from HP. When replacing a drive, transfer the four mounting screws from the old drive to the new drive.
  • Page 52: Removing And Installing An M.2 Ssd Storage Card

    Connect the power cable (1) and data cable (2) to the rear of the hard drive. NOTE: If the 2.5-inch hard drive is the primary drive, connect the other end of the data cable to the dark-blue SATA connector on the system board labeled SATA0. If it is a secondary hard drive, connect the other end of the data cable to one of the light-blue SATA connectors on the system board.
  • Page 53: Removing And Installing An Optane Memory Module

    To remove an M.2 SSD card, remove the screw that secures the card (1), lift the end of the card up (2), and then slide the card out of the system board connector (3). To install an M.2 SSD card, slide the pins on the card into the system board connector while holding the card at approximately a 30°...
  • Page 54: Expansion Cards

    Prepare the computer for disassembly (Preparation for disassembly on page Remove the access panel (Access panel on page Remove the front bezel (Front bezel on page 20). Disconnect the power and data cables from the rear of the drives in the drive cage. Rotate the drive cage up (see Drive cage on page To remove an Optane memory module, remove the Phillips screw (1), and then pull the Optane memory...
  • Page 55 NOTE: You can install a PCI Express x1, x4, x8, or x16 expansion card in the PCI Express x16 socket. For dual graphics card configurations, the first (primary) card must be installed in the PCI Express x16 socket that is NOT downshifted to a x4. To remove, replace, or add an expansion card: Prepare the computer for disassembly (Preparation for disassembly on page...
  • Page 56 ● The other two slot covers must be removed with a screwdriver. Insert a flat-bladed screwdriver into the slots on the rear of slot cover (1) and rock the slot cover back and forth (2) to break it free from the chassis. Chapter 4 Removal and replacement procedures...
  • Page 57 If you are removing a PCI Express x1 card, hold the card at each end and carefully rock it back and forth until the connectors pull free from the socket. Lift the card straight up (1) then away from the inside of the chassis (2) to remove it.
  • Page 58 IMPORTANT: After removing an expansion card, you must replace it with a new card or expansion slot cover for proper cooling of internal components during operation. To install a half-length expansion card, hold the card just above the expansion socket on the system board then move the card toward the rear of the chassis (1) so that the bottom of the bracket on the card slides into the small slot on the chassis.
  • Page 59 To install a full-length expansion card, hold the card just above the expansion socket on the system board then move the card toward the rear of the chassis (1) so that the bottom of the bracket on the card slides into the small slot on the chassis. Press the card straight down into the expansion socket on the system board (2).
  • Page 60: Optional Rear Port

    Optional rear port The optional rear port is attached to the rear of the chassis with two screws. Prepare the computer for disassembly (Preparation for disassembly on page 18). Remove the computer access panel (Access panel on page 19). Disconnect the cable from the system board connector labeled COMA (1). Remove the two hex nut jack screws (2) that secure the port to the rear of the chassis.
  • Page 61: Rear Fan

    Rear fan The rear fan is secured to the rear of the chassis with three Phillips screws. Prepare the computer for disassembly (Preparation for disassembly on page 18). Remove the access panel (Access panel on page 19). Disconnect the fan control cable (1) from the system board connector labeled CHFAN2. Remove the three silver Phillips screws (2) that secure the fan to the rear of chassis.
  • Page 62: Hood Lock (Solenoid)

    Hood lock (solenoid) The hood lock is secured to the rear of the chassis with two screws. Prepare the computer for disassembly (Preparation for disassembly on page 18). Remove the access panel (Access panel on page 19). Disconnect the cable (1) from the system board connector labeled HLCK. Remove the two screws (2) that secure the lock to the rear of chassis.
  • Page 63: Hood Sensor

    Hood sensor The hood sensor is secured in a slot in the rear of the chassis. Prepare the computer for disassembly (Preparation for disassembly on page 18). Remove the access panel (Access panel on page 19). Disconnect the cable (1) from the system board connector labeled HSENSE. Using a screwdriver or similar tool, slide the sensor out of the slot in the rear of the chassis (2).
  • Page 64: Option Board

    Option board For a list of available option boards, see Computer major components on page An option board can be installed near the back of the system board that provides an additional connector on the rear I/O panel. NOTE: The image in this section shows a serial port expansion board. To remove the option board: Prepare the computer for disassembly (Preparation for disassembly on page...
  • Page 65: Fan Sink

    Fan sink Fan sinks are available for models that use up to a 65 W processor and models that use a 95 W processor. CAUTION: The bond between the fan sink and the processor may be very tight. If the computer will power on, before removing the fan sink, turn on the computer until it warms the fan sink. Warming the fan sink lessens the bond between the heat sink and the processor, thereby making separating them easier.
  • Page 66 Lift the heat sink from atop the processor (3). Up to 65 W processor models 95 W processor models Chapter 4 Removal and replacement procedures...
  • Page 67 Each time the heat sink is removed, thoroughly clean the thermal grease from the bottom of the heat sink (1) and apply fresh thermal grease to the top of the processor (2). Replacement thermal material is included with the fan sink and system board spare part kits. CAUTION: Fan sink retaining screws should be tightened in diagonally opposite pairs (as in an X) to evenly seat the fan sink on the processor.
  • Page 68: Processor

    After installing a new processor onto the system board, update the system ROM to ensure that the latest version of the BIOS is being used on the computer. The latest system BIOS can be found on the Web at: http://www.hp.com/support. Chapter 4 Removal and replacement procedures...
  • Page 69: Wlan Module

    WLAN module The WLAN module installs into a slot on the system board. For a list of available WLAN modules, see Computer major components on page To remove the WLAN module: Prepare the computer for disassembly (Preparation for disassembly on page Remove the access panel (Access panel on page Remove the front bezel...
  • Page 70: Speaker

    Speaker The speaker is attached to the front of the chassis. Remove it from the inside of the chassis. Prepare the computer for disassembly (Preparation for disassembly on page 18). Remove the access panel (Access panel on page 19). Remove the front bezel (Front bezel on page 20).
  • Page 71: Card Reader

    Card reader The card reader is secured to the front of the chassis under the front bezel. Prepare the computer for disassembly (Preparation for disassembly on page 18). Remove the access panel (Access panel on page 19). Remove the front bezel (Front bezel on page 20).
  • Page 72: Power Supply

    Power supply For a list of available power supplies, see Computer major components on page The power supply is secured to the rear of the chassis with three screws. Three cables connect the power supply to the system board. Prepare the computer for disassembly (Preparation for disassembly on page 18).
  • Page 73: System Board

    System board Prepare the computer for disassembly (Preparation for disassembly on page 18). Remove the access panel (Access panel on page 19). Remove the front bezel (Front bezel on page 20). Disconnect the power and data cables from the rear of the drives in the drive cage. Rotate the drive cage up (see Drive cage on page When replacing the system board, make sure the following components are removed from the defective...
  • Page 74 Disconnect the following cables from the system board: IMPORTANT: Connected cables may vary depending on system configuration. (1) Speaker connector (SPKR) (2) White power supply connector (PWR) (3) Black drive power connector (SATAPWR0) (4) Hard drive connector (SATA0) (5) White power supply connector (PWRCMD) (6) Rear fan connector (CHFAN2) (7) White power supply connector (PWRCPU) (8) Optical drive connector (SATA1)
  • Page 75: System Board Callouts

    Lift and slide the system board toward the front of the computer to disengage the rear connectors from the chassis (1). Lift the rear of the board (2), and then pull board toward the rear and up and out of the computer (3). When reinstalling the system board, first insert the I/O panel back into the slots in the rear of the chassis, and then align the board with the chassis screw holes.
  • Page 76 Sys Bd Label Color Component Sys Bd Label Color Component CPUFAN White Processor fan SATA3 Light blue Any SATA Device other than the primary hard drive DIMM4 White Memory module PWRCMD White Power supply DIMM3 Black Memory module CMOS Yellow Reset CMOS DIMM2 White...
  • Page 77: Computer Setup (F10) Utility

    Computer Setup (F10) Utility Computer Setup (F10) Utilities Use Computer Setup (F10) Utility to do the following: ● Change settings from the defaults or restore the settings to default values. View the system configuration, including settings for processor, graphics, memory, audio, storage, ●...
  • Page 78 Use the arrow (left and right) keys to select the appropriate heading. Use the arrow (up and down) keys to select the option you want, then press Enter. To return to the Computer Setup Utilities menu, press Esc. To apply and save changes, select Main > Save Changes and Exit. ●...
  • Page 79: Computer Setup-Main

    Integrated MAC Address System Diagnostics If the hard drive has the HP Advanced Diagnostics installed, the application will launch. If HP Advanced Diagnostics is not installed, then a basic version built into the BIOS will provide the capability to perform the following functions: ●...
  • Page 80 Show test logs ● Language selection Update System BIOS Lets you update the system BIOS from www.hp.com or another network server, from a removable USB drive, or from a file located on the hard drive. Displays current BIOS version information. ●...
  • Page 81: Computer Setup-Security

    Table 5-1 Computer Setup—Main (continued) Option Description Apply Factory Defaults Restores the factory system configuration settings to the computer after rebooting. Does not apply to and Exit options in the Security menu. Ignore Changes and Exit Exits Computer Setup without applying or saving any changes. Save Changes and Exit Saves changes to current system configuration, exits Computer Setup, and reboots.
  • Page 82 Only select Manual in situations in which forensic analysis is to be performed before HP Sure Start Recovery. When this policy is set to manual, HP Sure Start will not correct any issues that are found until the manual recovery key sequence is entered by the local user. This can result in a system that is unable to boot after inputting the manual recovery key sequence.
  • Page 83 Table 5-2 Computer Setup—Security (continued) Option Description ● Unprovision SPM Physical Presence Interface. Notifies the user upon system power up when changes are made to system security policy. The user must agree to the changes to confirm them. Default is enabled. Smart Cover ●...
  • Page 84: Computer Setup-Advanced

    Table 5-2 Computer Setup—Security (continued) Option Description successfully entered, the hard drive will remain inaccessible until one of the passwords is successfully provided during a subsequent cold-boot sequence. NOTE: This selection will only appear when at least one drive that supports the DriveLock feature is attached to the system.
  • Page 85 Table 5-3 Computer Setup—Advanced (for advanced users) (continued) Option Heading ■ Previous state—causes the computer to power on automatically as soon as power is restored, if it was on when power was lost. NOTE: If the system is configured to ‘Power On from Keyboard Ports’ (see Power Management Options), then this setting is forced to ‘Power On’.
  • Page 86 Table 5-3 Computer Setup—Advanced (for advanced users) (continued) Option Heading Delivers two logical processors that can execute multiple tasks simultaneously using the shared hardware resources of a single processor core. Default is enabled. Multi-processor Use this option to disable multi-processor support under the operating system. Default is enabled. Virtualization Technology (VTx) (Intel only) Controls the virtualization features of the processor.
  • Page 87 Table 5-3 Computer Setup—Advanced (for advanced users) (continued) Option Heading Internal Speakers (does not affect external speakers) Clear to disable the chassis speaker or speakers. This function is applicable to normal audio playback in the operating system and does not affect the error or warning beeps during POST. Default is enabled. Increase Idle Fan Speed(%) Sets idle fan speed percentage.
  • Page 88 Table 5-3 Computer Setup—Advanced (for advanced users) (continued) Option Heading Power Management Runtime Power Management (enable/disable) Options Allows certain operating systems to reduce processor voltage and frequency when the current software load does not require the full capabilities of the processor. Default is enabled. Extended Idle Power States (enable/disable) Allows certain operating systems to decrease the processors power consumption when the processor is idle.
  • Page 89: Computer Setup-Uefi Drivers

    Table 5-3 Computer Setup—Advanced (for advanced users) (continued) Option Heading Verbose boot shows additional logging information during the boot. mainly for debugging if something goes wrong during bootup. Watchdog Timer (enable/disable). Default is enabled. Allows you to set amount of time for a operating system and BIOS watchdog alert to be sent if the timers are not deactivated.
  • Page 90: Troubleshooting Without Diagnostics

    To assist you in resolving problems online, HP Instant Support Professional Edition provides you with self- solve diagnostics. If you need to contact HP support, use HP Instant Support Professional Edition's online chat feature. Access HP Instant Support Professional Edition at: http://www.hp.com/go/ispe.
  • Page 91: Helpful Hints

    If it becomes necessary to call for technical assistance, be prepared to do the following to ensure that your service call is handled properly: ● Be in front of your computer when you call. ● Write down the computer serial number, product ID number, and monitor serial number before calling. ●...
  • Page 92: Solving General Problems

    If you have installed an operating system other than the factory-installed operating system, check to be ● sure that it is supported on the system. If the system has multiple video sources (embedded, PCI, or PCI-Express adapters) installed (embedded ● video on some models only) and a single monitor, the monitor must be plugged into the monitor connector on the source selected as the primary VGA adapter.
  • Page 93 In case of forgotten password, power loss, or computer malfunction, you must manually disable the Smart Cover lock . A key to unlock the Smart Cover Lock is not available from HP. Keys are typically available from a hardware store.
  • Page 94 Poor performance. Cause Solution Hard drive fragmented. Defragment hard drive. Program previously accessed did not release reserved memory Restart the computer. back to the system. Virus resident on the hard drive. Run virus protection program. Too many applications running. Close unnecessary applications to free up memory. Add more memory.
  • Page 95 System does not power on and the LEDs on the front of the computer are not flashing. Cause Solution If equipped with a voltage selector, check that the voltage selector (located on the rear of the power supply) is set to the appropriate voltage.
  • Page 96: Solving Power Problems

    Solving power problems Common causes and solutions for power problems are listed in the following table. Power supply shuts down intermittently. Cause Solution If equipped with a voltage selector, voltage selector switch on Select the proper AC voltage using the selector switch. rear of computer chassis (some models) not switched to correct line voltage (115V or 230V).
  • Page 97: Solving Hard Drive Problems

    Solving hard drive problems Hard drive error occurs. Cause Solution Hard disk has bad sectors or has failed. In Windows 10, type file in the taskbar search box, and then select File Explorer from the list of applications. In the left column, expand This PC, right-click on a drive, select Properties, and then select the Tools tab.
  • Page 98: Solving Media Card Reader Problems

    Nonsystem disk/NTLDR missing message. Cause Solution the File Backup Program option, and then restore the system. Install system files for the appropriate operating system. Hard drive boot has been disabled in Computer Setup. Run the Computer Setup utility and enable the hard drive entry in the Advanced >...
  • Page 99 Media card will not work in a digital camera after formatting it in Windows. Cause Solution use the FAT (FAT16 & FAT12) format and can not operate with a FAT32 formatted card. A write-protected or locked error occurs when attempting to write to the media card. Cause Solution Media card is locked.
  • Page 100: Solving Display Problems

    After installing the media card reader and booting to Windows, the reader and the inserted cards are not recognized by the computer. Cause Solution The operating system needs time to recognize the device if the Wait a few seconds so that the operating system can recognize reader was just installed into the computer and you are turning the reader and the available ports, and then recognize the media the PC on for the first time.
  • Page 101 Reseat DIMMs. Power on the system. Replace DIMMs one at a time to isolate the faulty module. Replace third-party memory with HP memory. Replace the system board. Blank screen and the power LED flashes Red six times, once every second, followed by a two second pause, and the computer beeps six times.
  • Page 102 Dim characters. Cause Solution The brightness and contrast controls are not set properly. Adjust the monitor brightness and contrast controls. Cables are not properly connected. Check that the graphics cable is securely connected to the graphics card (if applicable) or video connector and the monitor. Blurry video or requested resolution cannot be set.
  • Page 103: Solving Audio Problems

    To download a SoftPaq that will assist you with the synchronization, go to the following Web site, select the appropriate monitor, and download either SP32347 or SP32202: http://www.hp.com/support Graphics card is not seated properly or is bad (some models). Reseat the graphics card. Replace the graphics card.
  • Page 104 Headset microphone connected to the front is not working or is very quiet. Cause Solution The front Headset connector supports CTIA (Cellular Telephone Make sure that a CTIA style headset is being used or use an OMTP Industries Association) style headsets and not OMTP (Open Mobile style headset with a commercially available adapter that converts Terminal Platform) style headsets.
  • Page 105: Solving Printer Problems

    Sound from headphones is not clear or muffled. Cause Solution Headphones are plugged into the rear audio output connector. Plug the headphones into the headphone connector on the front The rear audio output connector is for powered audio devices and of the computer.
  • Page 106: Solving Keyboard And Mouse Problems

    Printer will not print. Cause Solution where [printer port] is the address of the printer being used. If the printer works, reload the printer driver. To run MS-DOS commands, press the Windows key + r, type cmd in the Open box, and then click OK. If you are on a network, you may not have made the connection Make the proper network connections to the printer.
  • Page 107 Keyboard commands and typing are not recognized by the computer. Cause Solution Keyboard connector is not properly connected. Shut down the computer, reconnect the keyboard to the back of the computer, and then restart the computer. Program in use has stopped responding to commands. Shut down your computer using the mouse and then restart the computer.
  • Page 108: Solving Hardware Installation Problems

    Solving Hardware Installation Problems You may need to reconfigure the computer when you add or remove hardware, such as an additional drive or expansion card. If you install a plug and play device, Windows automatically recognizes the device and configures the computer. If you install a non-plug and play device, you must reconfigure the computer after completing installation of the new hardware.
  • Page 109: Solving Network Problems

    DIMM1 or XMM1 must always be installed. DIMM1 must be installed before DIMM2, and DIMM3 must be installed before DIMM4 Replace third-party memory with HP memory. Replace the system board. Solving Network Problems Some common causes and solutions for network problems are listed in the following table. These guidelines do not discuss the process of debugging the network cabling.
  • Page 110 Network status link light never flashes. NOTE: The network status light is supposed to flash when there is network activity. Cause Solution To access Device Manager in Windows 10, type device manager in the taskbar search box, and then select Device Manager from the list of applications.
  • Page 111: Solving Memory Problems

    Management Engine (ME) settings). To avoid damage to the DIMMs or the system board, you must unplug the computer power cord before attempting to reseat, install, or remove a memory module. For those systems that support ECC memory, HP does not support mixing ECC and non-ECC memory. Otherwise, the computer will not boot the operating system.
  • Page 112 Memory is installed incorrectly or is bad. Reseat DIMMs. Power on the system. Replace DIMMs one at a time to isolate the faulty module. Replace third-party memory with HP memory. Replace the system board. 104 Chapter 6 Troubleshooting without diagnostics...
  • Page 113: Solving Cd-Rom And Dvd Problems

    Solving CD-ROM and DVD problems If you encounter CD-ROM or DVD problems, see the common causes and solutions listed in the following table or to the documentation that came with the optional device. System will not boot from CD-ROM or DVD drive. Cause Solution The device is attached to a SATA port that has been hidden in the...
  • Page 114 Movie will not play in the DVD drive. Cause Solution Decoder software is not installed. Install decoder software. Damaged media. Replace media. Movie rating locked out by parental lock. Use DVD software to remove parental lock. Media installed upside down. Reinstall media.
  • Page 115: Solving Usb Flash Drive Problems

    Solving USB flash drive problems If you encounter USB flash drive problems, common causes and solutions are listed in the following table. USB flash drive is not seen as a drive letter in Windows. Cause Solution The drive letter after the last physical drive is not available. Change the default drive letter for the flash drive in Windows.
  • Page 116: Solving Front Panel Component Problems

    Solving front panel component problems If you encounter problems with devices connected to the front panel, refer to the common causes and solutions listed in the following table. A USB device, headphone, or microphone is not recognized by the computer. Cause Solution Device is not properly connected.
  • Page 117: Solving Software Problems

    If you have installed an operating system other than the factory-installed operating system, check to be sure it is supported on the system. If you encounter software problems, see the applicable solutions listed in the following table. Computer will not continue and the HP logo does not display. Cause Solution ROM issue - POST error has occurred.
  • Page 118: Post Error Messages And Diagnostic Front Panel Leds And Audible Codes

    POST error messages and diagnostic front panel LEDs and audible codes This appendix lists the error codes, error messages, and the various indicator light and audible sequences that you may encounter during Power-On Self-Test (POST) or computer restart, the probable source of the problem, and steps you can take to resolve the error condition.
  • Page 119 Control panel message Description Recommended action RTC (real-time clock) battery may need to problem persists, replace the RTC battery. See be replaced. the Removal and Replacement section for instructions on installing a new battery. 008–Microcode Patch Error Processor is not supported by the BIOS. Upgrade BIOS to proper version.
  • Page 120 Control panel message Description Recommended action 00E-Inventory Error during MEBx Execution BIOS information passed to the MEBx resulted Reboot the computer. in a failure. If the error persists, update to the latest BIOS version. If the error still persists, replace the system board.
  • Page 121 Description Recommended action Apply hard drive firmware patch if applicable. (Available at http://www.hp.com/support.) Back up contents and replace hard drive. 302-Hard Disk 2: SMART Hard Drive Detects Hard drive is about to fail. (Some hard drives Determine if hard drive is giving correct...
  • Page 122 Control panel message Description Recommended action 403-Serial Port D Address Conflict Detected Both external and internal serial ports are Remove any serial port expansion cards. assigned to the same resources. Clear CMOS. (See Password security and resetting CMOS on page 117.) Reconfigure card resources and/or run Computer Setup or Windows utilities.
  • Page 123: Interpreting System Validation Diagnostic Front Panel Leds And Audible Codes

    Control panel message Description Recommended action 904-SATA Cabling Error One or more SATA devices are improperly Ensure SATA connectors are used in ascending attached. For optimal performance, the SATA 0 order. For one device, use SATA 0. For two and SATA 1 ports should be used for hard drives devices, use SATA 0 and SATA 1.
  • Page 124 Number of long beeps/blinks Error category BIOS Hardware Thermal System board Patterns of blink/beep codes are determined by using the following parameters: 1 second pause occurs after the last major blink. ● ● 2 second pause occurs after the last minor blink. ●...
  • Page 125: Password Security And Resetting Cmos

    If you lose or forget the password when in stringent security mode, the system can only be reset by System Management Command. This is a way for HP Service and Support to provide a secure method to access the BIOS and command a password reset for a specifically identified unit under the direction of the owner. This scenario may not be covered under warranty.
  • Page 126 Shut down the operating system properly, then turn off the computer and any external devices, and disconnect the power cord from the power outlet. With the power cord disconnected, press the power button again to drain the system of any residual power.
  • Page 127: Clearing And Resetting The Bios

    Clearing and resetting the BIOS The CMOS button resets BIOS settings to default, but does not clear the passwords or affect any of the other Security settings. On Intel systems with advanced manageability features, the CMOS button will also partially unprovision AMT.
  • Page 128: Using Hp Pc Hardware Diagnostics

    The tool runs within the Windows operating system in order to diagnose hardware failures. If HP PC Hardware Diagnostics Windows is not installed on your computer, first you must download and install it. To download HP PC Hardware Diagnostics Windows, see...
  • Page 129: Downloading The Latest Hp Pc Hardware Diagnostics Windows Version

    If your PC will not boot into Windows, you can use HP PC Hardware Diagnostics UEFI to diagnose hardware issues.
  • Page 130: Starting Hp Pc Hardware Diagnostics Uefi

    Downloading HP PC Hardware Diagnostics UEFI to a USB flash drive Downloading HP PC Hardware Diagnostics UEFI to a USB flash drive can be useful in the following situations: ● HP PC Hardware Diagnostics UEFI is not included in the preinstall image.
  • Page 131: Using Remote Hp Pc Hardware Diagnostics Uefi Settings (Select Products Only)

    Find out more. Downloading Remote HP PC Hardware Diagnostics UEFI NOTE: HP Remote PC Hardware Diagnostics UEFI is also available as a Softpaq that can be downloaded to a server. Downloading the latest Remote HP PC Hardware Diagnostics UEFI version To download the latest Remote HP PC Hardware Diagnostics UEFI version, follow these steps: Go to http://www.hp.com/go/techcenter/pcdiags.
  • Page 132 Make your customization selections. Select Main, and then Save Changes and Exit to save your settings. Your changes take effect when the computer restarts. 124 Chapter 9 Using HP PC Hardware Diagnostics...
  • Page 133: Appendix A Battery Replacement

    The lifetime of the lithium battery can be extended by plugging the computer into a live AC outlet. The lithium battery is only used when the computer is NOT connected to AC power. HP encourages customers to recycle used electronic hardware, HP original print cartridges, and rechargeable batteries. For more information about recycling programs, go to http://www.hp.com/recycle.
  • Page 134 Slide the replacement battery into position, positive side up. The battery holder automatically secures the battery in the proper position. Type 2 To release the battery from its holder, squeeze the metal clamp that extends above one edge of the battery (1). When the battery pops up, lift it out (2). To insert the new battery, slide one edge of the replacement battery under the holder’s lip with the positive side up (1).
  • Page 135 Insert the new battery and position the clip back into place. NOTE: After the battery has been replaced, use the following steps to complete this procedure. Replace the computer access panel. Reconnect the power cord and any external devices, and then turn on the computer. Reset the date and time, your passwords, and any special system setups using Computer Setup.
  • Page 136: Appendix B Power Cord Set Requirements

    Power cord set requirements The power supplies on some computers have external power switches. The voltage select switch feature on the computer permits it to operate from any line voltage between 100-120 or 220-240 volts AC. Power supplies on those computers that do not have external power switches are equipped with internal switches that sense the incoming voltage and automatically switch to the proper voltage.
  • Page 137: Country-Specific Requirements

    Country-Specific Requirements Additional requirements specific to a country are shown in parentheses and explained below. Country Accrediting Agency Country Accrediting Agency Australia (1) EANSW Italy (1) Austria (1) Japan (3) METI Belgium (1) CEBC Norway (1) NEMKO Canada (2) Sweden (1) SEMKO Denmark (1) DEMKO...
  • Page 138: Appendix C Statement Of Memory Volatility

    Intel-based and AMD-based system boards contain nonvolatile memory subcomponents as originally shipped from HP, assuming that no subsequent modifications have been made to the system and assuming that no applications, features, or functionality have been added to or installed on the system.
  • Page 139 If a DriveLock password is set, select the Security menu, and scroll down to Hard Drive Utilities under the Utilities menu. Select Hard Drive Utilities, select DriveLock, then uncheck the checkbox for DriveLock password on restart. Select OK to proceed. Select the Main menu, and then select Reset BIOS Security to factory default.
  • Page 140: Nonvolatile Memory Usage

    HP Sure Start only) backup of The content is managed Embedded Controller. critical System solely by the HP Sure Start BIOS code, EC Embedded Controller. firmware, and critical computer configuration data for select...
  • Page 141 512 KByte flash Stores Fingerprint reader memory is Only a digitally signed (select products fingerprint programmed by user application can make the only) templates. enrollment in HP call to write to the flash. ProtectTools Security Manager. Nonvolatile memory usage 133...
  • Page 142: Questions And Answers

    HP has provided options in Computer Setup (BIOS) to allow you to run in legacy BIOS, if required by the operating system. Examples of this requirement would be if you upgrade or downgrade the OS.
  • Page 143: Using Hp Sure Start (Select Models Only)

    BIOS to its previously safe state, without user intervention. Those select computer models ship with HP Sure Start configured and enabled. HP Sure Start is configured and already enabled so that most users can use the HP Sure Start default configuration. The default configuration can be customized by advanced users.
  • Page 144: Appendix D Specifications

    Specifications Item Metric U.S. Dimensions Width 6.1 in 154 mm Depth 14.6 in 370 mm Height 14.4 in 365 mm Weight 24.98 lb 11.34 kg Max supported weight (desktop orientation) 77 lb 35 kg Temperature range Operating 41° to 113°F 5°...
  • Page 145: Index

    17 removal 46 illustrated 5 cable pinouts, SATA data 16 removal and replacement 55 card reader HP PC Hardware Diagnostics UEFI F10 Setup removal and replacement 63 downloading 122 access problem 84 card reader assembly starting 122...
  • Page 146 25 removal and replacement 56 rear panel components 3 slim optical drive 34 optional rear port Remote HP PC Hardware Diagnostics Internet access problems 108 removal and replacement 52 UEFI settings overheating, prevention 12 customizing 123 using 123...
  • Page 147 software problems 109 servicing computer 14 solid-state drives sizes 6, 7 speaker illustrated 5 removal and replacement 62 specifications computer 136 static electricity 10 system board illustrated 7 removal and replacement 65 SATA connectors 16 system board connections 24 system memory, removing personal data from volatile 130 temperature control 12 tools, servicing 14...

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