Dell D29M002 Service Manual
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Dell D29M002 Service Manual

Dell D29M002 Service Manual

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OptiPlex 3080 Tower
Service Manual
Regulatory Model: D29M
Regulatory Type: D29M002
November 2022
Rev. A03
Table of Contents
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Summary of Contents for Dell D29M002

  • Page 1 OptiPlex 3080 Tower Service Manual Regulatory Model: D29M Regulatory Type: D29M002 November 2022 Rev. A03...
  • Page 2 A WARNING indicates a potential for property damage, personal injury, or death. © 2020-2022 Dell Inc. or its subsidiaries. All rights reserved. Dell Technologies, Dell, and other trademarks are trademarks of Dell Inc. or its subsidiaries. Other trademarks may be trademarks of their respective owners.

  • Page 3: Table Of Contents

    Contents Chapter 1: Working on your computer................... 6 Safety instructions................................6 Before working inside your computer........................6 Safety precautions.................................7 Electrostatic discharge—ESD protection........................7 ESD field service kit ..............................8 After working inside your computer..........................9 Chapter 2: Major components of your system................10 Chapter 3: Disassembly and reassembly ..................
  • Page 4 Graphics card..................................37 Removing the graphics card............................. 37 Installing the graphics card............................38 Graphical processing unit..............................39 Removing the powered GPU............................ 39 Installing the powered GPU............................40 Coin-cell battery.................................41 Removing the coin-cell battery..........................41 Installing the coin-cell battery...........................41 WLAN card..................................42 Removing the WLAN card............................42 Installing the WLAN card............................
  • Page 5 Deleting or changing an existing system setup password.................82 Clearing CMOS settings..............................82 Clearing BIOS (System Setup) and System passwords..................82 Chapter 6: Troubleshooting......................83 Dell SupportAssist Pre-boot System Performance Check diagnostics..............83 Running the SupportAssist Pre-Boot System Performance Check..............83 Diagnostics..................................84 Diagnostic error messages..............................85 System error messages..............................

  • Page 6: Chapter 1: Working On Your Computer

    You should only perform troubleshooting and repairs as authorized or directed by the Dell technical assistance team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. See the safety instructions that is shipped with the product or at www.dell.com/regulatory_compliance.

  • Page 7: Safety Precautions

    ESD protection is an increasing concern. Due to the increased density of semiconductors used in recent Dell products, the sensitivity to static damage is now higher than in previous Dell products. For this reason, some previously approved methods of handling parts are no longer applicable.

  • Page 8: Esd Field Service Kit

    Always place parts in your hand, on the ESD mat, in the system, or inside an anti-static bag. ● Transporting Sensitive Components – When transporting ESD sensitive components such as replacement parts or parts to be returned to Dell, it is critical to place these parts in anti-static bags for safe transport. Working on your computer...

  • Page 9: After Working Inside Your Computer

    It is recommended to use the traditional wired ESD grounding wrist strap and protective anti-static mat at all times when servicing Dell products. In addition, it is critical to keep sensitive parts separate from all insulator parts while performing service and that they use anti-static bags for transporting sensitive components.

  • Page 10: Chapter 2: Major Components Of Your System

    Major components of your system...
  • Page 11 Major components of your system Major components of your system...
  • Page 12 14. M.2 WLAN 15. PSU NOTE: Dell provides a list of components and their part numbers for the original system configuration purchased. These parts are available according to warranty coverages purchased by the customer. Contact your Dell sales representative for purchase options.

  • Page 13: Chapter 3: Disassembly And Reassembly

    Disassembly and reassembly NOTE: The images in this document may differ from your computer depending on the configuration you ordered. Topics: • Recommended tools • Screw List • Side cover • Front bezel • Fan shroud • Hard-drive assembly • 3.5-inch hard drive •...

  • Page 14: Side Cover

    Table 1. Screw list Component Screw type Quantity Image Side cover #6-32 Front I/O bracket #6-32 M.2 2230/2280 Solid-state drive M2x3.5 WLAN card M2x3.5 Power supply unit #6-32 2.5 in. hard-drive bracket M3x3.5 3.5 in. hard-drive #6-32 System board #6-32 M2x4 Side cover Removing the side cover...
  • Page 15 Steps 1. Loosen the thumbscrew (#6-32) that secures the side cover to the computer. 2. Slide the side cover towards the rear of the computer and lift the cover away from the computer. Disassembly and reassembly...

  • Page 16: Installing The Side Cover

    Installing the side cover Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following image indicates the location of the side cover and provides a visual representation of the installation procedure. Disassembly and reassembly...

  • Page 17: Front Bezel

    Steps 1. Locate the side cover slot on your computer. 2. Align the tabs on the side cover with the slots on the chassis. 3. Slide the side cover towards the front of the computer to install it. 4. Tighten the thumbscrew (#6-32) to secure the side cover to the computer. Next steps 1.

  • Page 18: Installing The Front Bezel

    2. Slightly pull the front bezel and gently rotate to release the other tabs on the bezel from the slots in the computer chassis. 3. Remove the front bezel from the computer. Installing the front bezel Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following image indicates the location of the front bezel and provides a visual representation of the installation procedure.

  • Page 19: Fan Shroud

    Fan shroud Removing the fan duct Prerequisites 1. Follow the procedure in before working inside your computer. 2. Remove the side cover. About this task The following images indicate the location of the fan duct and provide a visual representation of the removal procedure. Steps 1.

  • Page 20: Hard-Drive Assembly

    Steps 1. Position the fan duct to align it with the slots on the computer chassis. 2. Press the fan duct until it clicks into place. Next steps 1. Install the side cover. 2. Follow the procedure in after working inside your computer.

  • Page 21: Removing The 2.5-Inch Hard-Disk Drive Bracket

    Steps 1. Disconnect the hard-drive data and power cables from the connectors on the 2.5-inch hard-disk drive module. 2. Press the release tabs on both the sides of the hard-disk drive bracket to release it from the slots on the computer chassis. 3.

  • Page 22: Installing The 2.5-Inch Hard-Disk Drive Bracket

    About this task The following images indicate the location of the 2.5-inch hard-disk drive bracket and provides a visual representation of the removal procedure. Steps 1. Remove the two (M3x3.5) screws that secure the first hard-disk drive to the hard-drive metal bracket. 2.

  • Page 23: Installing The 2.5-Inch Hard-Disk Drive Assembly

    Steps 1. Place the first hard-disk drive into the hard-disk drive metal bracket and align the slots on the bracket with the slots on the hard-disk drive. 2. Replace the two (M3x3.5) screws to secure the first hard-disk drive to the hard-disk drive metal bracket. 3.
  • Page 24 About this task The following image indicates the location of the 2.5-inch hard-disk drive assembly and provides a visual representation of the installation procedure. Steps 1. Align the hard-drive assembly at an angle to the slot on the computer. 2. Press the release tabs on the hard-disk drive bracket and slightly align back to insert the hard-disk drive assembly to the slot on the computer chassis.

  • Page 25: 3.5-Inch Hard Drive

    3.5-inch hard drive Removing the 3.5 inch hard drive Prerequisites 1. Follow the procedure in before working inside your computer. 2. Remove the side cover. 3. Remove the duct. About this task The following images indicate the location of the 3.5 inch hard drive and provides a visual representation of the removal procedure.

  • Page 26: Solid-State Drive

    Steps 1. Align and insert the 3.5 inch hard drive into the slot on the chassis. 2. Hold the hard drive against the chassis and replace the four (#6-32) screws to secure the hard drive to the computer chassis. 3. Connect the power cable and data cable to the hard drive. Next steps 1.

  • Page 27: Installing The M.2 2230 Pcie Solid-State Drive

    Steps 1. Remove the screw (M2x3.5) that secures the solid-state drive to the system board. 2. Slide and lift the solid-state drive off the system board. Installing the M.2 2230 PCIe solid-state drive Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following image indicates the location of the solid-state drive and provides a visual representation of the installation procedure.

  • Page 28: Removing The M.2 2280 Pcie Solid-State Drive

    Steps 1. Align the notch on the solid-state drive with the tab on the solid-state drive connector. 2. Insert the solid-state drive at a 45-degree angle into the slot on the system board. 3. Replace the screw (M2x3.5) to secure the M.2 2230 solid-state drive to the system board. Next steps 1.

  • Page 29: Installing The M.2 2280 Pcie Solid-State Drive

    Steps 1. Remove the screw (M2x3.5) that secures the solid-state drive to the system board. 2. Slide and lift the solid-state drive off the system board. Installing the M.2 2280 PCIe solid-state drive Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following image indicates the location of the solid-state drive and provides a visual representation of the installation procedure.

  • Page 30: Memory Modules

    Steps 1. Align the notch on the solid-state drive with the tab on the solid-state drive connector. 2. Insert the solid-state drive at a 45-degree angle into the slot on the system board. 3. Replace the screw (M2x3.5) to secure the M.2 2280 solid-state drive to the system board. Next steps 1.

  • Page 31: Installing The Memory Modules

    Steps 1. Pull the securing clips from both side of the memory module until the memory module pops up. 2. Slide and remove the memory module from the memory-module slot. Installing the memory modules Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following image indicates the location of the memory modules and provides a visual representation of the installation procedure.

  • Page 32: Processor Fan And Heat-Sink Assembly

    Steps 1. Align the notch on the memory module with the tab on the memory-module slot. 2. Slide the memory module firmly into the slot at an angle and press the memory module down until it clicks into place. NOTE: If you do not hear the click, remove the memory module and reinstall it.

  • Page 33: Installing The Processor Fan And Heat-Sink Assembly

    About this task The following images indicate the location of the processor fan and heat-sink and provide a visual representation of the removal procedure. Steps 1. Disconnect the processor fan cable from the connector on the system board. 2. Loosen the four captive screws that secure the processor fan and heat-sink assembly to the system board. 3.

  • Page 34: Processor

    Steps 1. Align the screw holes on the processor fan and heat-sink assembly with the screw holes on the system board. 2. Tighten the four captive screws that secure the processor fan and heat-sink assembly to the system board. 3. Connect the processor-fan cable to the connector on the system board. Next steps 1.

  • Page 35: Installing The Processor

    About this task The following images indicate the location of the processor and provide a visual representation of the removal procedure. Steps 1. Press down and push the release lever away from the processor to release it from the securing tab. 2.
  • Page 36 Steps 1. Ensure that the release lever on the processor socket is fully extended in the open position. 2. Align the notches on the processor with the tabs on the processor socket and place the processor in the processor socket. NOTE: The pin-1 corner of the processor has a triangle that aligns with the triangle on the pin-1 corner on the processor socket.

  • Page 37: Graphics Card

    Graphics card Removing the graphics card Prerequisites 1. Follow the procedure in before working inside your computer. 2. Remove the side cover. 3. Remove the duct. About this task The following images indicate the location of the graphics card and provides a visual representation of the removal procedure. Steps 1.

  • Page 38: Installing The Graphics Card

    Installing the graphics card Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following images indicate the location of the graphics card and provides a visual representation of the installation procedure. Steps 1.

  • Page 39: Graphical Processing Unit

    Graphical processing unit Removing the powered GPU Prerequisites 1. Follow the procedure in before working inside your computer. 2. Remove the side cover. 3. Remove the duct. About this task The following images indicate the location of the powered graphical processing unit and provides a visual representation of the removal procedure.

  • Page 40: Installing The Powered Gpu

    Installing the powered GPU Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following images indicate the location of the powered graphical processing unit and provides a visual representation of the installation procedure.

  • Page 41: Coin-Cell Battery

    3. Follow the procedure in after working inside your computer. Coin-cell battery Removing the coin-cell battery Prerequisites 1. Follow the procedure in before working inside your computer. 2. Remove the side cover. 3. Remove the duct. 4. Remove the powered GPU.

  • Page 42: Wlan Card

    Steps 1. Insert the coin cell battery with the "+" sign facing up and slide it under the securing tabs at the positive side of the connector. 2. Press the battery into the connector until it locks into place. Next steps 1.

  • Page 43: Installing The Wlan Card

    Steps 1. Remove the (M2x3.5) screw that secures the WLAN card to the system board. 2. Lift the WLAN card bracket away from the WLAN card. 3. Disconnect the antenna cables from the WLAN card. 4. Slide and remove the WLAN card from the connector on the system board. Installing the WLAN card Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.
  • Page 44 Steps 1. Connect the antenna cables to the WLAN card. The following table provides the antenna-cable color scheme for the WLAN card of your computer. Table 2. Antenna-cable color scheme Connectors on the wireless card Antenna-cable color Main (white triangle) White Auxiliary (black triangle) Black...

  • Page 45: Slim Optical-Drive

    Slim optical-drive Removing the Slim-Optical Disk Drive Prerequisites 1. Follow the procedure in before working inside your computer. 2. Remove the side cover. 3. Remove the duct. About this task The following images indicate the location of the slim ODD and provides a visual representation of the removal procedure. Steps 1.

  • Page 46: Slim Optical-Drive Bracket

    Steps 1. Insert the slim ODD assembly into the ODD slot. 2. Slide the slim ODD assembly until it snaps into place. 3. Route the power cable and data cable through the routing guides and connect the cables to the slim ODD. Next steps 1.

  • Page 47: Installing The Slim-Odd Bracket

    Steps 1. Pry the slim-ODD bracket to release it from the slot on the ODD. 2. Remove the slim-ODD bracket off the ODD. Installing the slim-ODD bracket Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following images indicate the location of the slim-ODD bracket and provides a visual representation of the installation procedure.

  • Page 48: Speaker

    4. Follow the procedure in after working inside your computer. Speaker Removing the speaker Prerequisites 1. Follow the procedure in before working inside your computer. 2. Remove the side cover. 3. Remove the duct. About this task The following images indicate the location of the speakers and provide a visual representation of the removal procedure. Steps 1.

  • Page 49: Power Button

    Steps 1. Press and slide the speaker in the slot on the chassis until it snaps into place. 2. Route the speaker cable through the routing guide on the chassis. 3. Connect the speaker cable to the connector on the system board. Next steps 1.

  • Page 50: Installing The Power Button

    Steps 1. Disconnect the power-button cable from the connector on the system board. 2. Press the release tabs on the power-button head and slide the power-button cable out from the front-side chassis of the computer. 3. Pull the power-button cable out from the computer. Installing the power button Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.

  • Page 51: Power-Supply Unit

    Steps 1. Insert the power-button cable into the slot from the front-side of the computer, and press the power-button head until it clicks into the place in the chassis. 2. Align and connect the power-button cable to the connector on the system board. Next steps 1.
  • Page 52 Disassembly and reassembly...

  • Page 53: Installing The Power-Supply Unit

    Steps 1. Lay the computer on the right side. 2. Disconnect the power cables from the system board and unroute them from the routing guides on the chassis. 3. Remove the three (#6-32) screws that secure the power-supply unit to the chassis. 4.
  • Page 54 Disassembly and reassembly...

  • Page 55: Intrusion Switch

    Steps 1. Slide the power-supply unit into the chassis until the securing tab snaps into position. 2. Replace the three (#6-32) screws to secure the power-supply unit to the chassis. 3. Route the power cable through the routing guides on the chassis and connect the power cables to their respective connectors on the system board.

  • Page 56: Installing The Intrusion Switch

    Steps 1. Disconnect the intruder cable from the connector on the system board. 2. Slide and remove the intrusion switch from the chassis. Installing the intrusion switch Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following images indicate the location of the intrusion switch and provides a visual representation of the installation procedure.

  • Page 57: Optional I/O Modules (Type C/ Hdmi/Vga/Dp/Serial)

    Steps 1. Insert the intrusion switch into its slot and slide the switch to secure it into the slot. 2. Connect the intruder cable to the connector on the system board. Next steps 1. Install the duct. 2. Install the side cover.

  • Page 58: Installing Optional I/O Modules (Type-C/Hdmi/Vga/Dp/Serial)

    3. Remove the I/O module from the computer. Installing optional I/O modules (Type-C/HDMI/VGA/DP/Serial) Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following images indicate the location of the system board and provides a visual representation of the installation procedure. Disassembly and reassembly...
  • Page 59 Disassembly and reassembly...
  • Page 60 Disassembly and reassembly...
  • Page 61 Steps 1. To remove the dummy metal bracket, insert a flathead screwdriver in the hole of the bracket, push the bracket to release the bracket, and then lift the bracket out from the system. 2. Insert the optional I/O module (Type-C/HDMI/VGA/DP/Serial) into its slot from the inside of your computer. 3.

  • Page 62: System Board

    System board Removing the system board Prerequisites 1. Follow the procedure in before working inside your computer. NOTE: Your computer’s Service Tag is stored in the system board. You must enter the Service Tag in the BIOS setup program after you replace the system board. NOTE: Replacing the system board removes any changes that you have made to the BIOS using the BIOS setup program.
  • Page 63 Disassembly and reassembly...
  • Page 64 Steps 1. Remove the two (#6-32) screws that secure the front I/O-bracket to the chassis. 2. Slide and remove the front I/O-bracket from the chassis. 3. Disconnect all the cables that are connected to the system board. 4. Remove the M.2 card standoff (#6-32) screw and eight (#6-32) screws that secure the system board to the chassis. Disassembly and reassembly...

  • Page 65: Installing The System Board

    5. Lift the system board at an angle and remove the system board off the chassis. Installing the system board Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following images indicate the location of the system board and provides a visual representation of the installation procedure. Disassembly and reassembly...
  • Page 66 Disassembly and reassembly...
  • Page 67 Steps 1. Slide the front I/O-ports on the system board into the front I/O-slots on the chassis and align the screw holes on the system board with the screw holes on the chassis. 2. Replace the M.2 card standoff (#6-32) screw and eight (#6-32) screws that secure the system board to the chassis. 3.
  • Page 68 4. Align the front I/O-bracket with the slots on the chassis. 5. Replace the two (#6-32) screws to secure the front I/O-bracket to the chassis. Next steps 1. Install the processor. 2. Install the processor fan and heat-sink assembly. 3. Install the coin-cell battery.

  • Page 69: Chapter 4: Software

    Downloading Windows drivers Steps 1. Turn on the . 2. Go to Dell.com/support. 3. Click Product Support, enter the Service Tag of your , and then click Submit. NOTE: If you do not have the Service Tag, use the auto detect feature or manually browse for your model.

  • Page 70: Chapter 5: Bios Setup

    BIOS setup CAUTION: Unless you are an expert computer user, do not change the settings in the BIOS Setup program. Certain changes can make your computer work incorrectly. NOTE: Depending on the computer and its installed devices, the items listed in this section may or may not be displayed. NOTE: Before you change BIOS Setup program, it is recommended that you write down the BIOS Setup program screen information for future reference.

  • Page 71: One Time Boot Menu

    Table 3. Navigation keys Keys Navigation Up arrow Moves to the previous field. Down arrow Moves to the next field. Enter Selects a value in the selected field (if applicable) or follow the link in the field. Spacebar Expands or collapses a drop-down list, if applicable. Moves to the next focus area.

  • Page 72: System Information

    Table 4. General (continued) Option Description Boot Sequence Allows you to specify the order in which the computer attempts to find an operating system from the devices specified in this list. UEFI Boot Path Security This option controls whether or not the system prompts the user to enter the Admin password when booting a UEFI boot path from the F12 Boot Menu.

  • Page 73: Video Screen Options

    Table 5. System Configuration (continued) Option Description ● 60 days ● 90 days ● 120 days ● 150 days ● 180 days Video screen options Table 6. Video Option Description Primary Display Allows you to select the primary display when multiple controllers are available in the system. ●...

  • Page 74: Secure Boot Options

    Table 7. Security (continued) Option Description ● PPI Bypass for Disable Commands ● PPI Bypass for Clear Commands ● Attestation Enable (default) ● Key Storage Enable (default) ● SHA-256 (default) Choose any one option: ● Disabled ● Enabled (default) Absolute This field lets you Enable, Disable or permanently Disable the BIOS module interface of the optional Absolute Persistence Module service from Absolute Software.

  • Page 75: Intel Software Guard Extensions Options

    Table 8. Secure Boot (continued) Option Description ● Delete- Deletes the selected key ● Reset All Keys- Resets to default setting ● Delete All Keys- Deletes all the keys NOTE: If you disable the Custom Mode, all the changes made will be erased and the keys will restore to default settings.

  • Page 76: Power Management

    Table 10. Performance (continued) Option Description ● Enable Intel TurboBoost This option is set by default. Hyper-Thread Control Allows you to enable or disable the HyperThreading in the processor. ● Disabled ● Enabled—Default Power management Table 11. Power Management Option Description AC Recovery Determines how the system responds when AC power is re-applied after a power loss.

  • Page 77: Post Behavior

    Post behavior Table 12. POST Behavior Option Description Adapter Warnings This option lets you choose whether the system displays warning messages when you use certain power adapters. This option is enabled by default. Numlock LED Allows you to enable or disable the Numlock feature when your computer starts. This option is enabled by default.

  • Page 78: Maintenance

    Table 14. Wireless Option Description The options are: ● WLAN/WiGig ● Bluetooth All the options are enabled by default. Maintenance Table 15. Maintenance Option Description Service Tag Displays the service tag of your computer. Asset Tag Allows you to create a system asset tag if an asset tag is not already set. This option is not set by default.

  • Page 79: Supportassist System Resolution

    7. After the download is complete, browse the folder where you saved the BIOS update file. 8. Double-click the BIOS update file icon and follow the on-screen instructions. For more information, search in the Knowledge Base Resource at www.dell.com/support. Updating the BIOS in Linux and Ubuntu...

  • Page 80: Updating The Bios Using The Usb Drive In Windows

    One-Time boot menu on the computer. Most of the Dell computers built after 2012 have this capability, and you can confirm by booting your computer to the F12 One-Time Boot Menu to see if BIOS FLASH UPDATE is listed as a boot option for your computer. If the option is listed, then the BIOS supports this BIOS update option.

  • Page 81: System And Setup Password

    Steps 1. From a turn off state, insert the USB drive where you copied the flash into a USB port of the computer. 2. Turn on the computer and press F12 to access the One-Time Boot Menu, select BIOS Update using the mouse or arrow keys then press Enter.

  • Page 82: Deleting Or Changing An Existing System Setup Password

    Clearing BIOS (System Setup) and System passwords About this task To clear the system or BIOS passwords, contact Dell technical support as described at www.dell.com/contactdell. NOTE: For information on how to reset Windows or application passwords, refer to the documentation accompanying Windows or your application.

  • Page 83: Chapter 6: Troubleshooting

    Check diagnostics About this task SupportAssist diagnostics (also known as system diagnostics) performs a complete check of your hardware. The Dell SupportAssist Pre-boot System Performance Check diagnostics is embedded with the BIOS and is launched by the BIOS internally. The embedded system diagnostics provides a set of options for particular devices or device groups allowing you to: ●...

  • Page 84: Diagnostics

    Diagnostics The computer POST (Power On Self Test) ensures that it meets the basic computer requirements and the hardware is working appropriately before the boot process begins. If the computer passes the POST, the computer continues to start in a normal mode.

  • Page 85: Diagnostic Error Messages

    Table 20. Amber LED blinking failures (continued) Amber LED state White LED state System state Notes Bad coin cell Bad coin cell - Row M of table 12.4 in SIO spec [40] Table 21. States Under Host BIOS Control Amber LED state White LED state System state Notes...
  • Page 86 If the problem persists, try another drive. Run the Hard Disk Drive tests in Dell Diagnostics. HARD-DISK DRIVE FAILURE The hard drive does not respond to commands from the computer.
  • Page 87 Table 22. Diagnostic error messages (continued) Error messages Description drive, and restart the computer. If the problem persists, try another drive. Run the Hard Disk Drive tests in Dell Diagnostics. INSERT BOOTABLE MEDIA The operating system is trying to boot to non-bootable media, such as an optical drive.

  • Page 88: System Error Messages

    SEEK ERROR drive. SHUTDOWN FAILURE A chip on the system board may be malfunctioning. Run the System Set tests in Dell Diagnostics. If the message reappears, Contact Dell. TIME-OF-DAY CLOCK LOST POWER System configuration settings are corrupted. Connect your computer to an electrical outlet to charge the battery. If the problem persists, try to restore the data by entering the System Setup program, then immediately exit the program.

  • Page 89: Recovering The Operating System

    It enables you to diagnose hardware issues, repair your computer, back up your files, or restore your computer to its factory state. You can also download it from the Dell Support website to troubleshoot and fix your computer when it fails to boot into their primary operating system due to software or hardware failures.
  • Page 90 7. Turn on your computer. Troubleshooting...

  • Page 91: Chapter 7: Getting Help

    About this task Dell provides several online and telephone-based support and service options. Availability varies by country and product, and some services may not be available in your area. To contact Dell for sales, technical support, or customer service issues: Steps 1.

This manual is also suitable for:

Optiplex 3080 tower

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