HP EliteBook 840 G2 Notebook PC Maintenance And Service Manual

HP EliteBook 840 G2 Notebook PC Maintenance And Service Manual

Table of Contents
HP EliteBook 840 G2 Notebook PC
HP EliteBook 740 G2 Notebook PC
HP ZBook 14 G2 Mobile Workstation
Maintenance and Service Guide
Table of Contents
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Summary of Contents for HP EliteBook 840 G2 Notebook PC

  • Page 1 HP EliteBook 840 G2 Notebook PC HP EliteBook 740 G2 Notebook PC HP ZBook 14 G2 Mobile Workstation Maintenance and Service Guide...
  • Page 2 The information contained herein is subject to change without notice. The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty.
  • Page 3 Important Notice about Customer Self-Repair Parts CAUTION: Your computer includes Customer Self-Repair parts and parts that should only be accessed by an authorized service provider. See Removal and replacement procedures for Customer Self-Repair parts on page 51 for details. Accessing parts described in Removal and replacement procedures for Authorized Service Provider parts on page 69 can damage the computer or void your warranty.
  • Page 4 Important Notice about Customer Self-Repair Parts ENWW...
  • Page 5 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 6 Safety warning notice ENWW...
  • Page 7: Table Of Contents

    Memory .................................. 3 Memory .................................. 4 Hard drive – HP EliteBook 840 G2 and HP EliteBook 740 G2 Notebook PC ............5 Hard drive – HP ZBook 14 G2 Mobile Workstation ....................5 Solid-state drive – HP EliteBook 840 G2 and HP EliteBook 740 G2 Notebook PC ..........6 Solid-state drive –...
  • Page 8 6 Removal and replacement procedures for Authorized Service Provider parts ........... 69 Component replacement procedures ......................... 69 Unlocking the device and disabling Always On Remote Management (select HP devices only) ..69 Display panel ............................. 70 RTC battery ............................74 Base enclosure ..........................
  • Page 9 System board ............................ 91 Speaker assembly ..........................97 Display assembly ..........................99 7 Computer Setup (BIOS), MultiBoot, and HP PC Hardware Diagnostics (UEFI) ............ 105 Using Computer Setup ............................105 Starting Computer Setup ........................ 105 Navigating and selecting in Computer Setup ................. 105 Restoring factory settings in Computer Setup ................
  • Page 10 10 Statement of Volatility ..........................119 Non-volatile memory usage ..........................120 Questions and answers ............................. 123 Using HP Sure Start (select models only) ......................124 11 Power cord set requirements ........................125 Requirements for all countries ......................... 125 Requirements for specific countries and regions ..................... 126 12 Recycling ..............................
  • Page 11: Product Description

    Product description Processor Description HP EliteBook 840 G2 HP EliteBook 740 G2 HP ZBook 14 G2 Notebook PC Notebook PC Mobile Workstation Intel® Core™ i7-5600U 2.60- √ √ GHz (SC turbo up to 3.20-GHz) processor (4.0-MB L3 cache, dual core, 15-W) Intel Core i7-5500U 2.40-GHz...
  • Page 12: Graphics

    Graphics Description HP EliteBook 840 G2 HP EliteBook 740 G2 HP ZBook 14 G2 Notebook PC Notebook PC Mobile Workstation Switchable discrete graphics: √ √ AMD® Radeon™ R7 M260X graphics subsystem Switchable discrete graphics: √ AMD® FirePro™ M4170 128-bit (GDDR5) graphics subsystem Internal graphics: Integrated √...
  • Page 13: Memory

    Memory Description HP EliteBook 840 G2 HP EliteBook 740 G2 HP ZBook 14 G2 Notebook PC Notebook PC Mobile Workstation Two customer-accessible/ √ √ √ upgradable memory module slots with the following specifications: DDR3L PC3L-12800 (1600 MHz) √ √ √...
  • Page 14: Memory

    Memory Description HP EliteBook 840 G2 HP EliteBook 740 G2 HP ZBook 14 G2 Notebook PC Notebook PC Mobile Workstation Supports 16384 MB of system √ RAM in the following configurations: ● 16384 MB (8192 MB×2) ● 12288 MB (8192 MB + 4096 MB) ●...
  • Page 15: Hard Drive - Hp Elitebook 840 G2 And Hp Elitebook 740 G2 Notebook Pc

    500-GB, 7200-rpm, 7.0-mm hard drive ● 500-GB, 7200-rpm, 7.0-mm, self-encrypting drive (SED), supporting Opal 1.0 storage specification ● 500-GB, 5400-rpm, SED, FIPS-140-2, supporting Opal 2.0 storage specification ENWW Hard drive – HP EliteBook 840 G2 and HP EliteBook 740 G2 Notebook PC...
  • Page 16: Solid-State Drive - Hp Elitebook 840 G2 And Hp Elitebook 740 G2 Notebook Pc

    Solid-state drive – HP EliteBook 840 G2 and HP EliteBook 740 G2 Notebook PC Description Supports the following solid-state drives: ● 512-GB, SATA-3 solid-state drive ● 256-GB, SATA-3 solid-state drive supporting TLC ● 256-GB, SATA-3, SED solid-state drive supporting Opal 2.0 ●...
  • Page 17: Audio And Video

    Audio and video Description HP EliteBook 840 G2 HP EliteBook 740 G2 HP ZBook 14 G2 Notebook PC Notebook PC Mobile Workstation Two stereo speakers (2) √ √ √ Dual array microphones √ √ √ Realtek ALC3228 HD Audio with √...
  • Page 18: Wireless

    Wireless Description HP EliteBook 840 G2 HP EliteBook 740 G2 HP ZBook 14 G2 Notebook PC Notebook PC Mobile Workstation Integrated wireless local area √ √ √ network (WLAN) options by way of minicard Two WLAN antennas built into √...
  • Page 19: External Media Cards

    Description HP EliteBook 840 G2 HP EliteBook 740 G2 HP ZBook 14 G2 Notebook PC Notebook PC Mobile Workstation Supports no WWAN option √ √ √ Supports WWAN after √ √ √ market option Support for the following √ √...
  • Page 20: Ports

    Ports Description HP EliteBook 840 G2 HP EliteBook 740 G2 HP ZBook 14 G2 Notebook PC Notebook PC Mobile Workstation Offers the following ports: √ √ √ ● Headphone/microphone combo ● DisplayPort 1.2 ● Docking connector ● USB 3.0 ports (3) ●...
  • Page 21: Power Requirements

    Power requirements Description HP EliteBook 840 G2 HP EliteBook 740 G2 HP ZBook 14 G2 Notebook PC Notebook PC Mobile Workstation Supports the following HP √ √ √ Smart AC adapters: ● 65 W HP Smart AC adapter (select models only) ●...
  • Page 22: Operating System

    Operating system Description HP EliteBook 840 G2 HP EliteBook 740 G2 HP ZBook 14 G2 Notebook PC Notebook PC Mobile Workstation Preinstalled: √ √ √ ● Windows® 8.1 ML 64-bit ● Windows 8.1 CH 64-bit ● Windows 8.1 EM 64-bit ●...
  • Page 23: Operating System

    Operating system Description HP EliteBook 840 G2 HP EliteBook 740 G2 HP ZBook 14 G2 Notebook PC Notebook PC Mobile Workstation Restore media—OS-DVD: √ √ √ ● Windows 8.1 Professional 64- (only available and required with Windows 8 Professional downgrade operating system) ●...
  • Page 24: Serviceability

    Serviceability Description HP EliteBook 840 G2 HP EliteBook 740 G2 HP ZBook 14 G2 Notebook PC Notebook PC Mobile Workstation End user replaceable parts: √ √ √ ● AC adapter ● Battery ● Hard drive ● Keyboard ● Memory module ●...
  • Page 25: Getting To Know Your Computer

    Getting to know your computer ENWW...
  • Page 26: Display

    For wireless regulatory notices, see the section of the Regulatory, Safety, and Environmental Notices that applies to your country or region. To access this guide, from the Start screen, type support, and then select the HP Support Assistant app.
  • Page 27: Buttons, Speakers, And Fingerprint Reader (Select Models Only)

    Buttons, speakers, and fingerprint reader (select models only) Item Component Description ● Power button When the computer is off, press the button to turn on the computer. ● When the computer is on, press the button briefly to initiate Sleep. ●...
  • Page 28: Keys

    Item Component Description Wireless button Turns the wireless feature on or off but does not establish a wireless connection. Volume mute button Mutes and restores speaker sound. Fingerprint reader (select models only) Allows a fingerprint logon to Windows, instead of a password logon.
  • Page 29: Lights

    Item Component Description Windows applications key Displays options for a selected object. num lk Turns the embedded numeric keypad on and off when pressed in combination with the key. Alternates between the navigational and numeric functions on the embedded numeric keypad. Lights NOTE: Your computer may look slightly different from the illustration in this section.
  • Page 30: Touchpad

    Item Component Description ● TouchPad light On: The TouchPad is off. ● Off: The TouchPad is on. ● Microphone mute light Amber: microphone sound is off. ● Off: microphone sound is on. Num lock light On: Num lock is on. Wireless light On: An integrated wireless device, such as a wireless local area network (WLAN) device and/or a Bluetooth device, is...
  • Page 31: Front

    ● Off: The battery is fully charged. ● Hard drive light Blinking white: The hard drive is being accessed. ● Amber: HP 3D DriveGuard has temporarily parked the hard drive. ENWW Front...
  • Page 32: Left

    Left Item Component Description Security cable slot Attaches an optional security cable to the computer. NOTE: The security cable is designed to act as a deterrent, but it may not prevent the computer from being mishandled or stolen. Vents Enable airflow to cool internal components. NOTE: The computer fan starts up automatically to cool internal components and prevent overheating.
  • Page 33: Right

    For additional safety information, see the Regulatory, Safety, and Environmental Notices. To access this guide, from the Start screen, type support, and then select the HP Support Assistant app. NOTE: When a device is connected to the jack, the computer speakers are disabled.
  • Page 34: Bottom

    HP Support Assistant. To access HP Support Assistant, from the Start screen, select the HP Support Assistant app. Service cover release latch Releases the service door.
  • Page 35 Item Component Description Vents (2) Enable airflow to cool internal components. NOTE: The computer fan starts up automatically to cool internal components and prevent overheating. It is normal for the internal fan to cycle on and off during routine operation. SIM slot (select models only) Supports a wireless subscriber identity module (SIM).
  • Page 36 Chapter 2 Getting to know your computer ENWW...
  • Page 37: 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. Locating the product name, serial number, product number,...
  • Page 38: Computer Major Components

    Computer major components Chapter 3 Illustrated parts catalog ENWW...
  • Page 39 TouchScreen display assembly for use only on HP ZBook 14 G2 Mobile Workstation computer models (includes microphone) Keyboard with backlight and pointing sick for use only on HP EliteBook 840 G2 Notebook PC and HP EliteBook 740 G2 Notebook PC computer models (includes backlight, keyboard, and pointing stick cables):...
  • Page 40 For use in the United Kingdom and Singapore 776475-031 For use in the United States 776475-001 Keyboard with backlight and pointing stick tor use only on HP ZBook 14 G2 Mobile Workstation computer models (includes backlight, keyboard, and pointing stick cables): For use in Belgium 731179-A41...
  • Page 41 For use in the United States 731179-001 Keyboard with pointing stick for use only on HP EliteBook 840 G2 Notebook PC and HP EliteBook 740 G2 Notebook PC computer models (includes keyboard and pointing stick cables): For use in Belgium...
  • Page 42 For use in the United Kingdom and Singapore 776474-031 For use in the United States 776474-001 Keyboard with pointing stick for use only on HP ZBook 14 G2 Mobile Workstation computer models (includes keyboard and pointing stick cables): For use in Belgium 730794-A41...
  • Page 43 For use in the United States 730794-001 Top cover: For use only on HP EliteBook 840 G2 Notebook PC and HP EliteBook 740 G2 Notebook PC 804336-001 computer models For use only on HP ZBook 14 G2 Mobile Workstation computer models...
  • Page 44 799543-501 MB L3 cache, dual core, 15-W), AMD Radeon R7 M260X graphics subsystem with discrete memory, and the Windows 8 Standard operating system for use only on HP EliteBook 840 G2 Notebook PC computer models Equipped with an Intel Core i7-5600U 2.60-GHz (SC turbo up to 3.20-GHz) processor (4.0-...
  • Page 45 799513-501 MB L3 cache, dual core, 15-W), Intel HD Graphics 5500 graphics subsystem with UMA memory, and the Windows 8 Standard operating system for use only on HP EliteBook 840 G2 Notebook PC computer models Equipped with an Intel Core i7-5600U 2.60-GHz (SC turbo up to 3.20-GHz) processor (4.0-...
  • Page 46 MB L3 cache, dual core, 15-W), AMD Radeon R7 M260X graphics subsystem with discrete memory, and a non-Windows 8 operating system for use only on HP EliteBook 840 G2 Notebook PC and HP EliteBook 740 G2 Notebook PC computer models Equipped with an Intel Core i5-5300U 2.30-GHz (SC turbo up to 2.90-GHz) processor (3.0-...
  • Page 47 Intel Dual Band Wireless-AC 3160 802.11 ac 1×1 WiFi + Bluetooth 4.0 Combo Adapter for 751416-201 use only on HP EliteBook 840 G2 Notebook PC and HP EliteBook 740 G2 Notebook PC computer models Intel 7265 NGWGQ.I ac 2×2 + Bluetooth 4.0 LE PCIe+USB NGFF 2230 for use on all...
  • Page 48 HP EliteBook 740 G2 Notebook PC computer models (21) Base enclosure (includes RJ-45 door with spring) For use only on HP EliteBook 840 G2 Notebook PC and HP EliteBook 740 G2 Notebook PC 779684-001 computer models For use only on HP ZBook 14 G2 Mobile Workstation computer models 795946-001 Rubber Kit (not illustrated;...
  • Page 49: Display Assembly Subcomponents

    Display panel: 14.0-in, LED backlit, FHD, AG, UWVA, 72% CG, 300 nits, eDP 1.3+PSR slim (1920×1080) 806362-001 display panel for use only on HP EliteBook 840 G2 Notebook PC and HP EliteBook 740 G2 Notebook PC computer models ENWW Display assembly subcomponents...
  • Page 50 14.0-in, LED backlit, HD, AG, SVA, 45% CG, 200 nits, eDP 1.2 flat (1366×768) display panel 806363-001 for use only on HP EliteBook 840 G2 Notebook PC and HP EliteBook 740 G2 Notebook PC computer models 14.0-in, LED backlit, FHD, AG, UWVA, 72% CG, 300 nits, eDP 1.3+PSR slim (1920×1080)
  • Page 51: Plastics Kit

    Plastics Kit Item Description Spare part number For use only on HP EliteBook 840 G2 Notebook PC and HP EliteBook 740 G2 Notebook PC 730958-001 computer models For use only on HP ZBook 14 G2 Mobile Workstation computer models 739558-001...
  • Page 52: Miscellaneous Parts

    For use in Denmark on all computer models 490371-081 For use in Europe on all computer models 490371-021 For use in India only on HP EliteBook 840 G2 Notebook PC and HP EliteBook 740 G2 Notebook PC 490371-D61 computer models For use in Israel...
  • Page 53 For use in the People’s Republic of China only on HP EliteBook 840 G2 Notebook PC and HP EliteBook 755530-AA1 740 G2 Notebook PC computer models For use in South Africa only on HP EliteBook 840 G2 Notebook PC and HP EliteBook 740 G2 Notebook PC 755530-AR1 computer models...
  • Page 54 Chapter 3 Illustrated parts catalog ENWW...
  • Page 55: Removal And Replacement Procedures Preliminary Requirements

    Removal and replacement procedures preliminary requirements Tools required You will need the following tools to complete the removal and replacement procedures: ● Flat-bladed screwdriver ● Magnetic screwdriver ● Phillips P0 and P1 screwdrivers Service considerations The following sections include some of the considerations that you must keep in mind during disassembly and assembly procedures.
  • Page 56: Drive Handling

    Drive handling CAUTION: Drives are fragile components that must be handled with care. To prevent damage to the computer, damage to a drive, or loss of information, observe these precautions: Before removing or inserting a hard drive, shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system.
  • Page 57 CAUTION: A product can be degraded by as little as 700 V. Typical electrostatic voltage levels Relative humidity Event Walking across carpet 35,000 V 15,000 V 7,500 V Walking across vinyl floor 12,000 V 5,000 V 3,000 V Motions of bench worker 6,000 V 800 V 400 V...
  • Page 58: Packaging And Transporting Guidelines

    Packaging and transporting guidelines Follow these grounding guidelines when packaging and transporting equipment: ● To avoid hand contact, transport products in static-safe tubes, bags, or boxes. ● Protect ESD-sensitive parts and assemblies with conductive or approved containers or packaging. ● Keep ESD-sensitive parts in their containers until the parts arrive at static-free workstations.
  • Page 59 Equipment guidelines Grounding equipment must include either a wrist strap or a foot strap at a grounded workstation. ● When seated, wear a wrist strap connected to a grounded system. Wrist straps are flexible straps with a minimum of one megohm ±10% resistance in the ground cords. To provide proper ground, wear a strap snugly against the skin at all times.
  • Page 60 Chapter 4 Removal and replacement procedures preliminary requirements ENWW...
  • Page 61: Removal And Replacement Procedures For Customer Self-Repair Parts

    Customer Self-Repair is supported in your location. 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. Component replacement procedures...
  • Page 62 Turn off the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system. Disconnect the power from the computer by unplugging the power cord from the computer. Disconnect all external devices from the computer.
  • Page 63: Battery

    Battery Description Spare part number 3-cell, 50-WHr, 4.5-AHr 717376-001 3-cell, 24-WHr, 2.4-AHr 717375-001 Before removing the battery, follow these steps: Turn off the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system. Disconnect the power from the computer by unplugging the power cord from the computer.
  • Page 64: Hard Drive

    Hard drive NOTE: The hard drive spare part kit does not include the hard drive bracket or screws. The hard drive bracket and screws are included in the Hard Drive Hardware Kit, spare part number 730793-001. Description Spare part number 1-TB, 7200-rpm, SATA, 9.5-mm hard drive for use on all computer models 766644-001 500-GB, 7200-rpm, SATA, 7.0-mm hard drive for use on all computer models...
  • Page 65 If it is necessary to disassemble the hard drive: Remove the four Phillips PM3.0×3.0 screws (1) that secure the hard drive bracket to the hard drive. Slide the hard drive bracket (2) off the hard drive. Reverse this procedure to reassemble and install the hard drive. ENWW Component replacement procedures...
  • Page 66: Solid-State Drive

    803382-001 128-GB, SATA-3 solid-state drive supporting TLC for use on all computer models 803388-001 32-GB, M2, SATA-3 solid-state drive for use only on HP EliteBook 840 G2 Notebook PC and HP EliteBook 803391-001 740 G2 Notebook PC computer models Before removing the solid-state drive, follow these steps: Turn off the computer.
  • Page 67 Remove the solid-state drive (3) by pulling the drive away from the slot at an angle. NOTE: Solid-state drives are designed with a notch to prevent incorrect insertion. Reverse this procedure to install the solid-state drive. ENWW Component replacement procedures...
  • Page 68: Wwan Module

    The WWAN module and the WLAN module are not interchangeable. Description Spare part number HP lt4112 LTE/HSPA+ 4G Module for use only on HP ZBook 14 G2 Mobile Workstation computer models 790198-001 HP lt4211 LTE/EV-DO/HSPA+ 4G Module for use on all computer models...
  • Page 69 Remove the WWAN module (3) by pulling the module away from the slot at an angle. NOTE: WWAN modules are designed with a notch to prevent incorrect insertion. NOTE: If the WWAN antennas are not connected to the terminals on the WWAN module, the protective sleeves must be installed on the antenna connectors, as shown in the following illustration.
  • Page 70: Wlan Module

    WLAN module Description Spare part number Intel Dual Band Wireless-N 7265NB 802.11 a/b/g/n 2×2 WiFi adapter for use only on HP ZBook 14 G2 756747-001 Mobile Workstation computer models Intel Dual Band Wireless-AC 3160 802.11 ac 1×1 WiFi + Bluetooth 4.0 Combo Adapter for use only on...
  • Page 71 Remove the WLAN module (3) by pulling the module away from the slot at an angle. NOTE: WLAN modules are designed with a notch to prevent incorrect insertion. NOTE: If the WLAN antennas are not connected to the terminals on the WLAN module, the protective sleeves must be installed on the antenna connectors, as shown in the following illustration.
  • Page 72: Memory Module

    Memory module Description Spare part number 8-GB memory module (PC3L, 12800, 1600 MHz) 693374-001 4-GB memory module (PC3L, 12800, 1600 MHz) 691740-001 Before removing a memory module, follow these steps: Turn off the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system.
  • Page 73: Keyboard

    Keyboard Keyboard with backlight and pointing sick for use only on HP EliteBook 840 G2 Notebook PC and HP EliteBook 740 G2 Notebook PC computer models (includes backlight, keyboard, and pointing stick cables): For use in Belgium 776475-A41 For use in North Africa...
  • Page 74 731179-001 For use in the Netherlands 731179-B31 Keyboard with pointing stick for use only on HP EliteBook 840 G2 Notebook PC and HP EliteBook 740 G2 Notebook PC computer models (includes keyboard and pointing stick cables): For use in Belgium...
  • Page 75 For use in Greece 730794-151 For use in Spain 730794-07 For use in Hungary 730794-211 For use in Sweden and Finland 730794-B71 For use in Iceland 730794-DD1 For use in Switzerland 730794-BG1 For use in India 730794-D61 For use in Taiwan 730794-AB1 For use in Israel 730794-BB1...
  • Page 76 Partially open the computer. Rest and secure the computer on its left side. Insert a keyboard release tool or similar thin tool into the keyboard release hole, and then press on the back of the keyboard until the keyboard disengages from the computer. Position the computer right-side up with the front toward you.
  • Page 77 Lift the rear edge of the keyboard upward. Swing the keyboard (1) up and forward until it rests upside down on the palm rest. Release the zero insertion force (ZIF) connector (2) to which the keyboard cable is attached, and then disconnect the keyboard cable from the system board.
  • Page 78 Remove the keyboard (5). Reverse this procedure to install the keyboard. Chapter 5 Removal and replacement procedures for Customer Self-Repair parts ENWW...
  • Page 79: Removal And Replacement Procedures For Authorized Service Provider Parts

    PIN is not available, the entire system board must be replaced. Before returning the device for service, be sure to unlock the device using the PIN from the HP Touchpoint Manager website (http://www.hptouchpointmanager.com), and also disable the AORM feature in HP Computer Setup.
  • Page 80: Display Panel

    The display bezel is available using the following spare part numbers: ● 730952-001 – For use only on HP EliteBook 840 G2 Notebook PC computer models ● 784451-001 – For use only on HP EliteBook 740 G2 Notebook PC computer models ●...
  • Page 81 Remove the four Phillips PM2.0×3.0 screws (1) that secure the display panel to the display enclosure. Swing the top edge of the display panel (2) up and forward until it rests on the computer. Release the adhesive support strip (1) that secures the display panel cable to the display panel. ENWW Component replacement procedures...
  • Page 82 Notebook PC computer models ● 806363-001 – 14.0-in, LED backlit, HD, AG, SVA, 45% CG, 200 nits, eDP 1.2 flat (1366×768) display panel for use only on HP EliteBook 840 G2 Notebook PC and HP EliteBook 740 G2 Notebook PC computer models ●...
  • Page 83 If it is necessary to replace the webcam/microphone module or the microphone module: Release the tape that secures the webcam/microphone module cable to the webcam/ microphone module (1). Disconnect the cable (2) from the module. CAUTION: Handle the module with caution. The module has a thin profile and is susceptible to damage when not handled carefully.
  • Page 84: Rtc Battery

    Reverse this procedure to reassemble and install the display assembly. RTC battery Description Spare part number RTC battery (includes cable and double-sided adhesive) 665733-001 Before removing the RTC battery, follow these steps: Turn off the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system.
  • Page 85: Base Enclosure

    Base enclosure Description Spare part number For use only on HP EliteBook 840 G2 Notebook PC and HP EliteBook 740 G2 Notebook PC 779684-001 computer models For use only on HP ZBook 14 G2 Mobile Workstation computer models 795946-001 Before removing the base enclosure, follow these steps: Turn off the computer.
  • Page 86 Remove the sixteen Torx T8M2.5×5.0 screws that secure the base enclosure to the computer. Remove the Phillips PM2.0×8.0 screw (1) near the media card reader that secures the base enclosure to the computer. Remove the five Phillips PM2.0×5.0 broad head screws (2) inside the battery bay that secure the base enclosure to the computer.
  • Page 87: Fan

    Lift the base enclosure off the computer. Reverse this procedure to install the base enclosure. Description Spare part number Fan (includes cable and captive screws) 730792-001 Before removing the fan, follow these steps: Turn off the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system.
  • Page 88 Remove the fan (3). Reverse this procedure to install the fan. Chapter 6 Removal and replacement procedures for Authorized Service Provider parts ENWW...
  • Page 89: Nfc Module

    NFC module Description Spare part number NFC module (includes 2 cables and double-sided adhesive) 800515-001 Before removing the NFC module, follow these steps: Turn off the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system.
  • Page 90: Card Reader Board

    Card reader board Description Spare part number Card reader board (includes cable) 784454-001 Before removing the card reader board, follow these steps: Turn off the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system. Disconnect the power from the computer by unplugging the power cord from the computer.
  • Page 91 Remove the card reader board (4). Reverse this procedure to install the card reader board. ENWW Component replacement procedures...
  • Page 92: Touchpad

    The TouchPad spare part kit includes the TouchPad cable. Description Spare part number For use only on HP EliteBook 840 G2 Notebook PC and HP EliteBook 740 G2 Notebook PC 799301-001 computer models equipped with an NFC module (includes NFC module cable)
  • Page 93: Usb/Vga Connector Board

    Remove the TouchPad (4) by sliding it away from the top cover at an angle. Reverse this procedure to install the TouchPad. USB/VGA connector board Description Spare part number USB/VGA connector board (includes cable) 784455-001 Before removing the USB/VGA connector board, follow these steps: Turn off the computer.
  • Page 94: Heat Sink

    Release the USB/VGA connector board (3) from the openings in the base enclosure. Remove the USB/VGA connector board (4) and cable by sliding them away from the heat sink. Reverse this procedure to install the USB/VGA connector board. Heat sink NOTE: The heat sink spare part kit includes replacement thermal material.
  • Page 95 Remove the heat sink: NOTE: Steps 1 and 2 apply to computer models equipped with graphics subsystems with discrete memory. See steps 3 and 4 for heat sink removal information for computer models equipped with graphics subsystems with UMA memory. Following the 1, 2, 3, 4, 5, 6 sequence stamped into the heat sink, loosen the six captive Philllips screws (1) through (6) that secure the heat sink to the system board.
  • Page 96 Remove the heat sink (4). NOTE: Due to the adhesive quality of the thermal material located between the heat sink and the system board components, it may be necessary to move the heat sink from side to side to detach it. The following illustration shows the replacement thermal material locations on the system board and the heat sink on computer models equipped with a graphics subsystem with discrete memory.
  • Page 97 The following illustration shows the replacement thermal material locations on computer models equipped with a graphics subsystem with UMA memory. The thermal material must be thoroughly cleaned from the surfaces of the heat sink and the system board components each time the heat sink is removed. Replacement thermal material is included with the heat sink, processor, and system board spare part kits.
  • Page 98: Power Button Board

    Power button board Description Spare part number Power button board (includes cable) 730959-001 Before removing the power button board, follow these steps: Turn off the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system. Disconnect the power from the computer by unplugging the power cord from the computer.
  • Page 99 Slide the power button board (3) toward the inside of the top cover, and then lift it off the top cover. Reverse this procedure to install the power button board. ENWW Component replacement procedures...
  • Page 100: Fingerprint Reader Board

    Fingerprint reader board Description Spare part number Fingerprint reader board (includes bracket and cable) 730956-001 Before removing the fingerprint reader board, follow these steps: Turn off the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system.
  • Page 101: System Board

    15-W), AMD Radeon R7 M260X graphics subsystem with discrete memory, and a non- Windows 8 operating system for use only on HP EliteBook 840 G2 Notebook PC computer models Equipped with an Intel Core i7-5600U 2.60-GHz (SC turbo up to 3.20-GHz) processor (4.0-MB L3 cache,...
  • Page 102 799516-001 dual core, 15-W), AMD Radeon R7 M260X graphics subsystem with discrete memory, and a non- Windows 8 operating system for use only on HP EliteBook 840 G2 Notebook PC and HP EliteBook 740 G2 Notebook PC computer models Equipped with an Intel Core i5-5300U 2.30-GHz (SC turbo up to 2.90-GHz) processor (3.0-MB L3 cache,...
  • Page 103 799515-001 dual core, 15-W), AMD Radeon R7 M260X graphics subsystem with discrete memory, and a non- Windows 8 operating system for use only on HP EliteBook 840 G2 Notebook PC and HP EliteBook 740 G2 Notebook PC computer models Equipped with an Intel Core i5-5200U 2.20-GHz (SC turbo up to 2.70-GHz) processor (3.0-MB L3 cache,...
  • Page 104 799509-501 Graphics 5500 graphics subsystem with UMA memory, and the Windows 8 Standard operating system for use only on HP EliteBook 840 G2 Notebook PC and HP EliteBook 740 G2 Notebook PC computer models Equipped with an Intel Core i3-5010U 2.10-GHz processor (3.0-MB L3 cache, dual core, 15-W), Intel HD...
  • Page 105 Release the ZIF connector (1) to which the fingerprint reader cable is connected, and then disconnect the fingerprint reader cable (2) from the system board. Close the computer. Turn the computer upside down with the rear toward you. Release the ZIF connector (1) to which the card reader cable is connected, and then disconnect the card reader cable from the system board.
  • Page 106 Release the wireless antenna cables (7) from the routing clips and channels built into the top cover. Remove the three Phillips PM2.5×5.0 screws that secure the system board to the top cover. Lift the left side of the system board (1) until it rests at an angle. Chapter 6 Removal and replacement procedures for Authorized Service Provider parts ENWW...
  • Page 107: Speaker Assembly

    Remove the system board (2) by sliding it up and to the left at an angle. Reverse this procedure to install the system board. Speaker assembly Description Spare part number Speaker assembly (includes cable) 730798-001 Before removing the speaker assembly, follow these steps: Turn off the computer.
  • Page 108 Remove the two Phillips PM2.0×3.0 screws (1) that secure the speaker assembly to the base enclosure. Remove the speaker assembly (2) from the top cover. Reverse this procedure to install the speaker assembly. Chapter 6 Removal and replacement procedures for Authorized Service Provider parts ENWW...
  • Page 109: Display Assembly

    14.0-in, FHD, UWA, 72% CG, 300 nits, eDP 1.3+PSR slim (1920×1080), capacitive TouchScreen display 784459-001 assembly for use only on HP EliteBook 840 G2 Notebook PC and HP EliteBook 740 G2 Notebook PC computer models (includes webcam and microphone) 14.0-in, FHD, UWA, 72% CG, 300 nits, eDP 1.3+PSR slim (1920×1080), capacitive TouchScreen display...
  • Page 110 Release the wireless antenna cables (2) from the routing channel built into the system board. Remove the four Torx TM2.5×6.0 screws (1) that secure the display panel to the top cover. Rotate the display hinges (2) back until the top cover is free for removal. Separate the display assembly (3) from the top cover.
  • Page 111 The display hinges are available using spare part numbers 730957-001 (or use only on HP EliteBook 840 G2 Notebook PC and HP EliteBook 740 G2 Notebook PC computer models) and 737660-001 (for use only on HP ZBook 14 G2 Mobile Workstation computer models).
  • Page 112 To remove the display panel cable: Remove the display bezel. Remove the display panel. Lift the cable straight up and out of the display enclosure. The display panel cable is available using spare part number 730954-001 and includes the webcam/microphone module cable. NOTE: Use the following image to properly route the cable.
  • Page 113 Release the antenna cables from the clips (1) and routing channel built into the display enclosure. Detach the WLAN antennas and transceivers (2) and the WWAN antennas and transceivers (3) from the display enclosure. Remove the WLAN and WWAN antenna cables and transceivers. The WLAN and WWAN antenna cables and transceivers are available in the Antenna Kit, spare part number 784453-001.
  • Page 114 104 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts ENWW...
  • Page 115: Computer Setup (Bios), Multiboot, And Hp Pc Hardware Diagnostics (Uefi)

    Computer Setup (BIOS), MultiBoot, and HP PC Hardware Diagnostics (UEFI) Using Computer Setup Computer Setup, or Basic Input/Output System (BIOS), controls communication between all the input and output devices on the system (such as disk drives, display, keyboard, mouse, and printer). Computer Setup includes settings for the types of devices installed, the startup sequence of the computer, and the amount of system and extended memory.
  • Page 116: Restoring Factory Settings In Computer Setup

    Use the arrow keys to select Main > Save Changes and Exit, and then press enter. Your changes go into effect when the computer restarts. NOTE: Your password settings and security settings are not changed when you restore the factory settings. 106 Chapter 7 Computer Setup (BIOS), MultiBoot, and HP PC Hardware Diagnostics (UEFI) ENWW...
  • Page 117: Updating The Bios

    Updating the BIOS Updated versions of the BIOS may be available on the HP website. Most BIOS updates on the HP website are packaged in compressed files called SoftPaqs. Some download packages contain a file named Readme.txt, which contains information regarding installing and troubleshooting the file.
  • Page 118 Complete the installation by following the on-screen instructions. NOTE: After a message on the screen reports a successful installation, you can delete the downloaded file from your hard drive. 108 Chapter 7 Computer Setup (BIOS), MultiBoot, and HP PC Hardware Diagnostics (UEFI) ENWW...
  • Page 119: Using Multiboot

    Using MultiBoot About the boot device order As the computer starts, the system attempts to boot from enabled devices. The MultiBoot utility, which is enabled at the factory, controls the order in which the system selects a boot device. Boot devices can include optical drives, diskette drives, a network interface card (NIC), hard drives, and USB devices.
  • Page 120: Dynamically Choosing A Boot Device Using The F9 Prompt

    – or – Use the arrow keys to select Main > Save Changes and Exit, and then press enter. Your changes go into effect when the computer restarts. 110 Chapter 7 Computer Setup (BIOS), MultiBoot, and HP PC Hardware Diagnostics (UEFI) ENWW...
  • Page 121: Entering Multiboot Express Preferences

    Using HP PC Hardware Diagnostics (UEFI) HP PC Hardware Diagnostics is a Unified Extensible Firmware Interface (UEFI) that allows you to run diagnostic tests to determine whether the computer hardware is functioning properly. The tool runs outside the operating system so that it can isolate hardware failures from issues that are caused by the operating system or other software components.
  • Page 122: Using Hp Sure Start (Select Models Only)

    BIOS to its previously safe state, without user intervention. 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 123: Specifications

    Specifications Computer specifications Metric U.S. Dimensions Width 33.89 cm 14.78 in Depth 23.70 cm 9.98 in Height Computer model equipped with a TouchScreen 2.3 cm 0.89 in display assembly Computer model equipped with a non-TouchScreen 2.1 cm 0.83 in display assembly Weight Computer model equipped with a 3-cell (50-WHr) battery, 1.87 kg...
  • Page 124: Chapter 8 Specifications

    Metric U.S. Relative humidity (noncondensing) Operating 10% to 90% Nonoperating 5% to 95% Maximum altitude (unpressurized) ‑15 m to 3,048 m ‑50 ft to 10,000 ft Operating ‑15 m to 12,192 m ‑50 ft to 40,000 ft Nonoperating NOTE: Applicable product safety standards specify thermal limits for plastic surfaces. The device operates well within this range of temperatures.
  • Page 125: Backup And Recovery

    For detailed instructions on various backup and restore options, perform a search for these topics in Windows Help and Support. In case of system instability, HP recommends that you print the recovery procedures and save them for later use. NOTE: Windows includes the User Account Control feature to improve the security of your computer.
  • Page 126: Using The Windows Recovery Tools

    The recovery tool reinstalls the operating system and HP programs and drivers that were installed at the factory. Software not installed at the factory must be reinstalled.
  • Page 127: Using Windows Operating System Media (Purchased Separately)

    To order a Windows operating system DVD, contact support. See the Worldwide Telephone Numbers booklet included with the computer. You can also find contact information from the HP website. Go to http://www.hp.com/support, select your country or region, and follow the on-screen instructions.
  • Page 128: Using Windows Refresh Or Windows Reset

    For more information on these features, see Windows Help and Support. Using HP Software Setup HP Software Setup can be used to reinstall drivers or select software that has been corrupted or deleted from the system. From the Start screen, type HP Software Setup.
  • Page 129: 10 Statement Of 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 130: Non-Volatile Memory Usage

    HP Sure Start models 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 PC configuration data for select...
  • Page 131 Code is updated when writing data to this accessible) mouse, & the system BIOS is updated. memory and is available battery on the HP website. Writing management). data to this ROM in an inappropriate manner can render the PC non- functional. DIMM Serial...
  • Page 132 Fingerprint Reader 512kByte Stores By enrolling in HP Only a digitally signed Flash fingerprint ProtectTools Security application can make templates. Manager.
  • Page 133: Questions And Answers

    Questions and answers How can the BIOS settings be restored (returned to factory settings)? Turn on or restart the computer and press when prompted near the bottom of the display. Select Main, then select Restore defaults. Follow the on-screen instructions. Select Main, save changes and exit, then press Enter.
  • Page 134: Using Hp Sure Start (Select Models Only)

    BIOS for attacks or corruption. If the BIOS becomes corrupted or is attacked, HP Sure Start restores the BIOS to its previously safe state automatically, without user intervention. Those select computer models ship with HP Sure Start configured and enabled. Most users can use HP Sure Start with the default configuration.
  • Page 135: 11 Power Cord Set Requirements

    11 Power cord set requirements The wide-range input feature of the computer permits it to operate from any line voltage from 100 to 120 V ac, or from 220 to 240 V ac. The 3-conductor power cord set included with the computer meets the requirements for use in the country or region where the equipment is purchased.
  • Page 136: Requirements For Specific Countries And Regions

    Requirements for specific countries and regions Country/region Accredited agency Applicable note number Argentina IRAM Australia Austria Belgium CEBEC Brazil ABNT Canada Chile Denmark DEMKO Finland FIMKO France Germany India Israel Italy Japan The Netherlands KEMA New Zealand SANZ Norway NEMKO The People's Republic of China Saudi Arabia SASO...
  • Page 137 Country/region Accredited agency Applicable note number The United States The flexible cord must be Type HO5VV-F, 3-conductor, 0.75 mm² conductor size. Power cord set fittings (appliance coupler and wall plug) must bear the certification mark of the agency responsible for evaluation in the country or region where it will be used.
  • Page 138 128 Chapter 11 Power cord set requirements ENWW...
  • Page 139: 12 Recycling

    Follow the local laws and regulations in your area for battery disposal. HP encourages customers to recycle used electronic hardware, HP original print cartridges, and rechargeable batteries. For more information about recycling programs, see the HP Web site at http://www.hp.com/...
  • Page 140 130 Chapter 12 Recycling ENWW...
  • Page 141: Index

    Index card reader board display panel cable AC adapter, spare part numbers 42 removal 80 removal 102 AC adapter/battery light 21 spare part number 33, 80 spare part number 40, 102 antenna chipset, product description 1 display switch 16 location 16 components DisplayPort 23 removal 102...
  • Page 142 33, 88 memory module spare part numbers 40, 101 power connector 23 removal 62 HP PC Hardware Diagnostics (UEFI) power cord spare part numbers 34, 62 downloading 111 requirements for all countries memory, product description 3, 4...
  • Page 143 operating system 12, 13 setup utility volume mute button 18 pointing device 10 navigating and selecting 105 ports 10 restoring factory settings 106 webcam 16 power requirements 11 SIM slot 25 webcam light 16 primary storage 5, 6 SIM slot, identifying 25 webcam/microphone module processors 1 slots...
  • Page 144 134 Index ENWW...

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