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Dell D13U Service Manual

Dell D13U Service Manual

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OptiPlex 7090 Ultra
Service Manual
Regulatory Model: D13U
Regulatory Type: D13U002
January 2021
Rev. Draft

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Summary of Contents for Dell D13U

  • Page 1 OptiPlex 7090 Ultra Service Manual Regulatory Model: D13U Regulatory Type: D13U002 January 2021 Rev. Draft...
  • Page 2 A WARNING indicates a potential for property damage, personal injury, or death. © 2021 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, 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................... 5 Safety instructions................................5 Before working inside your device..........................5 Safety precautions................................ 6 Electrostatic discharge—ESD protection........................7 ESD field service kit ..............................7 Transporting sensitive components.......................... 8 After working inside your device..........................8 Chapter 2: Removing and installing components................10 Recommended tools................................10 Screw List....................................
  • Page 4 Assigning a system setup password........................62 Deleting or changing an existing system setup password.................62 Clearing BIOS (System Setup) and System passwords..................63 Chapter 5: Troubleshooting......................64 Dell SupportAssist Pre-boot System Performance Check diagnostics..............64 Running the SupportAssist Pre-Boot System Performance Check..............64 WiFi power cycle................................65 Diagnostic LED...................................65 Chapter 6: Getting help.......................

  • Page 5: Chapter 1: Working On Your Computer

    Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions that came with the product.

  • Page 6: Safety Precautions

    3. Turn off your device. 4. Remove the device from the stand: Removing device from Fixed-height stand or Pro 1.0 Height-adjustable stand: a. Slide the release latch on the stand until you hear a click to release the stand cover. b.

  • Page 7: Electrostatic Discharge-Esd Protection

    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: Transporting Sensitive Components

    It is recommended that all field service technicians 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 that technicians keep sensitive parts separate from all insulator parts while performing service and that they use anti-static bags for transporting sensitive components.
  • Page 9 c. Align the power button on the device with the slot on the stand back cover chassis. d. Press the device until the retention latch clicks into place and secures it. e. Connect the keyboard, mouse, network, power, and display cable to the device. CAUTION: To connect a network cable, first plug the cable into the network device and then plug it into the device.

  • Page 10: Chapter 2: Removing And Installing Components

    Removing and installing components NOTE: The images in this document may differ from your computer depending on the configuration you ordered. Topics: • Recommended tools • Screw List • Major components of your system • Hard-drive assembly • Hard-drive bracket •...
  • Page 11 Table 1. Screw Size List (continued) Component Screw type Quantity Image Hard-drive assembly (or non M2x3 Hard-drive assembly) or SSD 2230/2280 cover M.2 WLAN card M2x3.5 M.2 2230 Solid-state drive or M2x3.5 EMMC) M.2 (Option 2230 SSD or M2x3.5 2280 SSD) Daughter board M2x3.5 M.2 Standoff...

  • Page 12: Major Components Of Your System

    Major components of your system 1. Cover Removing and installing components...

  • Page 13: Hard-Drive Assembly

    14. Coin-cell battery 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 14: Installing The Hard-Drive Assembly

    Steps 1. Remove the (M2x3) screw that secures the hard-drive assembly to the chassis. 2. Turn the hard-drive assembly to access the hard-drive cable. 3. Open the latch and disconnect the hard-drive cable from the connector on the system board. 4.
  • Page 15 About this task The figure indicates the location of the hard-drive assembly module and provides a visual representation of the installation procedure. Steps 1. Place the hard-drive assembly on the cover. 2. Route the hard-drive cable through the routing guide on the chassis. 3.

  • Page 16: Hard-Drive Bracket

    Hard-drive bracket Removing the hard-drive bracket Prerequisites 1. Follow the procedure in before working inside your device. 2. Remove the hard-drive assembly. About this task Steps Pull the rubber tab on the protective sleeve and lift the hard-drive module out from the hard-drive bracket. Installing the hard-drive bracket Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.

  • Page 17: Hard Drive

    About this task Steps 1. Align and place the hard drive on the bracket. 2. Gently push the hard-drive into the bracket. Next steps 1. Install the hard-drive assembly. 2. Follow the procedure in after working on your device. Hard drive Removing the hard drive Prerequisites 1.

  • Page 18: Installing The Hard Drive

    Steps 1. Disconnect the hard-drive cable from the connector on the hard drive. 2. Release the protective sleeve from the hard-drive. 3. Gently pull the hard-drive out of the protective sleeve. Installing the hard drive Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The figure indicates the location of the hard-drive module and provides a visual representation of the installation procedure.

  • Page 19: Solid-State Drive In The Hard-Drive Bay

    Steps 1. Insert the hard drive into the protective sleeve. NOTE: Ensure to match the mark on the protective sleeve with the hard drive PIN and connector location. 2. Pull the protective sleeves along the hard-drive edges. 3. Connect the hard-drive cable to the connector on the hard drive. Next steps 1.

  • Page 20: Removing The M.2 2230 Solid-State Drive

    Removing the M.2 2230 solid-state drive For systems with solid-state drive in the hard drive bay will not support hard drive. Prerequisites 1. Follow the procedure in before working inside your device. About this task The figure indicates the location of the M.2 2230 solid-state drive and provides a visual representation of the removal procedure.

  • Page 21: Installing The M.2 2230 Solid-State Drive

    Installing the M.2 2230 solid-state drive For systems with solid-state drive in the hard drive bay will not support hard drive. Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The figure indicates the location of the M.2 2230 solid-state drive and provides a visual representation of the installation procedure.

  • Page 22: Removing The M.2 2280 Solid-State Drive

    Next steps 1. Follow the procedure in after working on your device. Removing the M.2 2280 solid-state drive For systems with solid-state drive in the hard drive bay will not support hard drive. Prerequisites 1. Follow the procedure in before working inside your device.

  • Page 23: Installing The M.2 2280 Solid-State Drive

    4. Lift and remove the M.2 2280 solid-state drive from the solid-state drive slot on the daughter board. Installing the M.2 2280 solid-state drive For systems with solid-state drive in the hard drive bay will not support hard drive. Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.

  • Page 24: Solid-State Drive Daughter Board

    4. Align the screw hole on the solid-state drive cover with the screw hole on the chassis. 5. Replace the M2x3 screw to secure the solid-state drive cover to the chassis. Next steps 1. Follow the procedure in after working on your device.

  • Page 25: Installing The Solid-State Drive Daughter Board

    Installing the solid-state drive daughter board For systems with solid-state drive in the hard drive bay will not support the hard drive. Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The figure indicates the location of the solid-state drive daughter board and provides a visual representation of the installation procedure.

  • Page 26: Installing The Cover

    About this task The figure indicates the location of the cover and provides a visual representation of the removal procedure. Steps Slide and lift the cover to release it from the chassis. Installing the cover Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The figure indicates the location of the cover and provides a visual representation of the installation procedure.

  • Page 27: Memory Module

    Steps 1. Align the tabs on the cover with the slots on the chassis. 2. Slide the cover until it clicks into place. Next steps 1. Follow the procedure in after working on your device. Memory module Removing the memory module Prerequisites 1.

  • Page 28: Installing The Memory Module

    About this task The figure indicates the location of the memory module and provides a visual representation of the removal procedure. Steps 1. Lift the absorber above the memory module. 2. Gently pry the retention clips away from the memory module until the memory module pops up. 3.
  • Page 29 Steps 1. Lift the absorber above the memory-module slot, and 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. 3. 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 30: Wlan Card

    WLAN card Removing the WLAN card Prerequisites 1. Follow the procedure in before working inside your device. 2. Remove the cover. About this task The figure indicates the location of the WLAN card and provides a visual representation of the removal procedure. Steps 1.

  • Page 31: Installing The Wlan Card

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

  • Page 32: Internal Solid-State Drive

    4. Replace the (M2x3.5) screw to secure the WLAN card to the system board. Next steps 1. Install the cover. 2. Follow the procedure in after working on your device. Internal solid-state drive Removing the solid-state drive Prerequisites 1. Follow the procedure in before working inside your device.

  • Page 33: Installing The Solid-State Drive

    Steps 1. Remove the (M2x3.5) screw that secures the solid-state drive module to the connector on the system board. 2. Slide the solid-state drive module out from the M.2 slot. 3. Peel the solid-state drive thermal pad from the system board. Installing the solid-state drive Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.

  • Page 34: Emmc Storage Module

    NOTE: Check the adhesive direction before adhering it to the system board. 2. Align the notch on the solid-state drive module with the connector on the system board and slide the solid-state drive at an angle into the slot. 3. Replace the (M2x3.5) screw to secure the solid-state drive module to the system board. Next steps 1.

  • Page 35: Installing The Emmc Storage Module

    Installing the eMMC storage module Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The figure indicates the location of the eMMC storage module and provides a visual representation of the installation procedure. Steps 1.

  • Page 36: Installing The System Fan

    Steps 1. Release the system fan from the retention tab on the fan tray. 2. Disconnect the system fan cable from the connector on the system board. 3. Slide the system fan out from the guiding rails on the heat-sink bracket. Installing the system fan Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.

  • Page 37: Power Button

    Steps 1. Connect the system fan cable to the connector on the system board. 2. Align the tabs on the system fan with the guiding rails on the heat-sink bracket. 3. Press the system fan down into the fan tray until it clicks into place. Next steps 1.

  • Page 38: Installing The Power Button

    Steps 1. Disconnect the power-button cable from the connector on the system board. 2. Unroute the power-button cable from the routing guide. NOTE: Observe the routing of the power-button cable inside the chassis as you remove them. Route the cable properly when you replace the component to prevent the cable from being pinched or crimped.
  • Page 39 Steps 1. Place the power button into the slot on the chassis. 2. Replace the (M2x3) screw to secure the power button to the chassis. 3. Route the power button cable through the routing guides on the chassis. 4. Connect the power-button cable to the connector on the system board. Next steps 1.

  • Page 40: Coin-Cell Battery

    Coin-cell battery Removing the coin-cell battery Prerequisites 1. Follow the procedure in before working inside your device. 2. Remove the cover. 3. Remove the system fan. About this task The figure indicates the location of the coin-cell battery and provides a visual representation of the removal procedure. Steps 1.

  • Page 41: Installing The Coin-Cell Battery

    NOTE: Observe the routing of the coin-cell battery cable inside the chassis as you remove them. Route the cable properly when you replace the component to prevent the cable from being pinched or crimped. 3. Release the coin-cell retention clip from the securing hook and turn the clip to the other side to access the coin-cell battery. 4.

  • Page 42: System Board

    4. Route the coin-cell battery cable through the routing guide. 5. Connect the coin-cell battery cable to the connector on the system board. Next steps 1. Install the system fan. 2. Install the cover. 3. Follow the procedure in after working on your device.

  • Page 43: Installing The System Board

    Steps 1. Disconnect the power-button cable and the coin-cell battery cable from the connectors on the system board. 2. Unroute the power-button cable and the coin-cell battery cable from the routing guides. 3. Unroute the WLAN antenna cables from the routing guides. NOTE: Observe the routing of the WLAN antenna cables inside the chassis as you remove them.
  • Page 44 Steps 1. Align the connectors on the system board with the connector slots on the chassis. NOTE: The system board is installed along with the heat-sink connected to it. 2. Gently slide the system board into the chassis. Removing and installing components...

  • Page 45: Heat-Sink

    3. Tighten the (M2x3) captive screw and replace the four (M2x3) screws to secure the system board to the chassis. 4. Route the power-button cable and the coin-cell battery cable through the routing guides. 5. Connect the power-button cable and the coin-cell battery cable to the connectors on the system board. 6.

  • Page 46: Installing The Heat-Sink

    Steps 1. In sequential order (as indicated on the heat sink), loosen the four captive screws that secure the heat sink to the system board. 2. Lift the heat-sink away from the system board. Installing the heat-sink Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The figure indicates the location of the heat-sink and provides a visual representation of the installation procedure.
  • Page 47 Steps 1. Align the screws on the heat-sink with the screw holes on the system board. 2. In sequential order (as indicated on the heat sink), tighten the four captive screws that secure the heat sink to the system board. Next steps 1.

  • Page 48: Replacing The Chassis

    Replacing the chassis Prerequisites 1. Follow the procedure in before working inside your device. 2. Remove the hard-drive assembly. NOTE: For systems with solid-state drive module in hard-drive bay ● Remove the M.2 2280 solid-state drive in hard-drive bay/M.2 2230 solid-state drive in hard-drive bay.

  • Page 49: Chapter 3: 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 50: Chapter 4: System Setup

    Boot menu Press <F12> when the Dell logo appears to initiate a one-time boot menu with a list of the valid boot devices for the system. Diagnostics and BIOS Setup options are also included in this menu. The devices listed on the boot menu depend on the bootable devices in the system.

  • Page 51: Navigation Keys

    Boot sequence enables you to bypass the System Setup–defined boot device order and boot directly to a specific device (for example: optical drive or hard drive). During the Power-on Self-Test (POST), when the Dell logo appears, you can: ● Access System Setup by pressing F2 key ●...
  • Page 52 Table 3. System setup options—System information menu (continued) Overview Processor Information Processor Type Displays the processor type. Maximum Clock Speed Displays the maximum processor clock speed. Minimum Clock Speed Displays the minimum processor clock speed. Current Clock Speed Displays the current processor clock speed. Core Count Displays the number of cores on the processor.
  • Page 53 Table 4. System setup options—Boot Configuration menu (continued) Boot Configuration Secure Boot Mode Enable or disable to change the secure boot mode options. By default, the Deployed Mode is enabled. Expert Key Management Enable Custom Mode Enable or disable custom mode. By default, the custom mode option is not enabled.
  • Page 54 Table 6. System setup options—Storage menu (continued) Storage By default, the Enable SMART Reporting option is not enabled. Drive Information SATA-1 Type Displays the SATA type information of the system. Device Displays the SATA device information of the system. M.2 PCIe SSD Type Displays the M.2 PCIe SSD type information of the system.
  • Page 55 Table 9. System setup options—Power menu Power USB Wake Support Enable USB Wake Support When enabled, connecting Dell USB devices will wake the system from standby. By default, the option is enabled. AC Behaviour AC Recovery Allows to determine what happens when AC power is restored after an unexpected loss of AC power.
  • Page 56 Table 10. System setup options—Security menu (continued) Security Total Memory Encryption Enable or disable you to protect memory from physical attacks including freeze spray, probing DDR to read the cycles, and others. By default, the Total Memory Encryption option is disabled. Chassis intrusion Controls the chassis intrusion feature.
  • Page 57 Dell Auto operating system Recovery Controls the automatic boot flow for SupportAssist System Resolution Console Threshold and for Dell operating system Recovery Tool. By default, the threshold value is set to 2. Table 13. System setup options—System Management menu System Management Service Tag Display the Service Tag of the system.
  • Page 58 Table 13. System setup options—System Management menu (continued) System Management Watchdog Timer Support Enable or disable the Watchdog Timer Feature. By default, the option is disabled. Wake on LAN Wake on LAN Enable or disable the system to power on by special LAN signals when it receives a wakeup signal from the WLAN.
  • Page 59 Table 15. System setup options—Pre-boot Behavior menu (continued) Pre-boot Behavior Extend BIOS POST Time Set the BIOS POST time. By default, the 0 seconds option is enabled. MAC Address Pass-Through Replaces the external NIC MAC address with the selected MAC address from the system.

  • Page 60: Updating The Bios In Windows

    Steps 1. Restart the computer. 2. Go to Dell.com/support. ● Enter the Service Tag or Express Service Code and click Submit. ● Click Detect Product and follow the instructions on screen. 3. If you are unable to detect or find the Service Tag, click Choose from all products.

  • Page 61: Updating Your System Bios Using A Usb Flash Drive

    3. Insert the USB flash drive into the computer that requires the BIOS update. 4. Restart the computer and press F12 when the Dell logo appears to display the One Time Boot Menu. 5. Using arrow keys, select USB Storage Device and press Enter.

  • Page 62: Assigning A System Setup Password

    NOTE: System and setup password feature is disabled. Assigning a system setup password Prerequisites You can assign a new System or Admin Password only when the status is in Not Set. About this task To enter the system setup, press F2 immediately after a power-on or reboot. Steps 1.

  • Page 63: Clearing Bios (System Setup) And System Passwords

    1. Key in your computer's service tag number into the locked BIOS/system setup screen. 2. Convey the code generated to the Dell Tech Support agent. 3. The Dell Tech Support agent will provide a 32 character Master System Password that can be used to access the locked BIO/system setup.

  • Page 64: Chapter 5: 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 65: Wifi Power Cycle

    WiFi power cycle About this task If your computer is unable to access the internet due to WiFi connectivity issues a WiFi power cycle procedure may be performed. The following procedure provides the instructions on how to conduct a WiFi power cycle: NOTE: Some ISPs (Internet Service Providers) provide a modem/router combo device.
  • Page 66 NOTE: For diagnostics pattern 2-amber, 8-white connects an external monitor to isolate between system board or graphics controller failure. Troubleshooting...

  • Page 67: Chapter 6: 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.

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