OptiPlex 7090 Ultra Service Manual Regulatory Model: D13U Regulatory Type: D13U002 August 2021 Rev.
Notes, cautions, and warnings NOTE: A NOTE indicates important information that helps you make better use of your product. CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem. WARNING: 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.
Contents Chapter 1: Working on your computer........................................................................................... 6 Safety instructions.............................................................................................................................................................. 6 Before working inside your device.............................................................................................................................6 Safety precautions................
Installing the eMMC storage module...................................................................................................................... 37 System fan.......................................................................................................................................................................... 37 Removing the system fan..........................................................................................................................................
WiFi power cycle............................................................................................................................................................... 70 Drain residual flea power (perform hard reset)......................................................................................................... 70 Chapter 6: Getting help and contacting Dell.................................................................................
1 Working on your computer Topics: • Safety instructions Safety instructions Use the following safety guidelines to protect your computer from potential damage and to ensure your personal safety. Unless otherwise noted, each procedure included in this document assumes that you have read the safety information that shipped with your computer. WARNING: Before working inside your computer, read the safety information that is shipped with your computer.
2. Ensure that your work surface is flat and clean to prevent the device cover from being scratched. 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. b. c. d. e. Slide the release latch on the stand until you hear a click to release the stand cover. Slide and lift the back cover to release it from the stand. Disconnect the keyboard, mouse, network, power, and display cable from the device.
● Use an ESD field service kit when working inside any desktop to avoid electrostatic discharge (ESD) damage. ● After removing any system component, carefully place the removed component on an anti-static mat. ● Wear shoes with non-conductive rubber soles to reduce the chance of getting electrocuted. Standby power Dell products with standby power must be unplugged before you open the case. Systems that incorporate standby power are essentially powered while turned off.
ESD field service kit The unmonitored Field Service kit is the most commonly used service kit. Each Field Service kit includes three main components: anti-static mat, wrist strap, and bonding wire. Components of an ESD field service kit The components of an ESD field service kit are: ● Anti-Static Mat – The anti-static mat is dissipative and parts can be placed on it during service procedures.
After working inside your device About this task After you complete any replacement procedure, ensure that you connect any external devices, cards, and cables before turning on your computer. Steps 1. Install the device in the stand: Installing the device on Fixed-height stand or Pro 1.0 Height-adjustable stand: a. b. c. d. e. Unlock the latch on the lower chassis of the stand to remove the stand cover. Align and position the top side of the device to the upper chassis of the stand back cover.
ii. Install the four screws to secure the device to the wall mount bracket. iii. 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. iv. Align and mount the wall mount bracket module in the screws on the wall. 2. Turn on your device. 3. If required, verify that the device works correctly by running ePSA diagnostics.
2 Removing and installing components NOTE: The images in this document may differ from your computer depending on the configuration you ordered.
Table 1. Screw Size List (continued) Component Screw type Quantity Hard-drive assembly (or non Hard-drive assembly) or SSD 2230/2280 cover M2x3 1 M.2 WLAN card M2x3.5 1 M.2 2230 Solid-state drive or EMMC) M2x3.5 1 M.2 (Option 2230 SSD or 2280 SSD) M2x3.5 1 Daughter board M2x3.5 2 M.2 Standoff M3x2.
Major components of your system 1.
2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. Memory module WLAN card Solid-state drive System board Heat-sink Chassis Hard-drive assembly Hard-drive cover Solid-state drive in the hard-drive bay Solid-state daughter board System fan Power button 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.
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. Carefully unroute the hard-drive cable from the routing guide on the chassis. NOTE: Observe the routing of the hard-drive cable inside the chassis as you remove them.
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. Connect the hard-drive cable to the connector on the system board and close the latch to secure the cable. 4. Turn the hard-drive assembly module and align the tabs on the hard-drive assembly with the slots on the chassis. 5.
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.
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. Follow the procedure in before working inside your device. 2. Remove the hard-drive assembly. 3. Remove the hard-drive bracket.
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.
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. Install the hard-drive bracket. 2. Install the hard-drive assembly. 3. Follow the procedure in after working on your device.
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. Steps 1. Remove the (M2x3) screw that secures the solid-state drive cover to the chassis. 2.
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. Steps 1. Align the notch on the M.
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. About this task The figure indicates the location of the M.2 2280 solid-state drive and provides a visual representation of the removal procedure. Steps 1. Remove the (M2x3) screw that secures the solid-state drive cover to the chassis. 2.
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. About this task The figure indicates the location of the M.2 2280 solid-state drive and provides a visual representation of the installation procedure.
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. Solid-state drive daughter board For systems with solid-state drive in the hard drive module will not support hard drive. Removing the daughter board Prerequisites 1. Follow the procedure in before working inside your device. 2.
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. Steps 1. Align the screw holes on the daughter board with the screw holes on the chassis.
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.
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. Follow the procedure in before working inside your device. 2. Remove the cover.
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. Slide and remove the memory module from the memory-module slot on the system board.
Steps 1. Lift the absorber above the memory-module slot, and align the notch on the memory module with the tab on the memorymodule 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. 4. Lower the absorber above the memory module. Next steps 1. Install the cover. 2. Follow the procedure in after working on your device.
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. Remove the (M2x3.5) screw that secures the WLAN bracket to the system board. 2. Slide and lift the WLAN bracket. 3. Disconnect the WLAN antenna cables from the WLAN card. 4.
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. Connect the WLAN antenna cables to the WLAN card. The following table provides the antenna-cable color scheme for the WLAN card of your computer. Table 2.
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. 2. Remove the cover. 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.
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. About this task The figure indicates the location of the M.
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. Install the cover. 2. Follow the procedure in after working on your device. eMMC Storage module For computers with eMMC module in M.2 2230 SSD slot.
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. Align the notch on the eMMC storage module with the connector on the system board and slide the eMMC storage module at an angle into the slot. 2. Replace the (M2x3.
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. About this task The figure indicates the location of the system fan and provides a visual representation of the installation procedure.
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. Install the cover. 2. Follow the procedure in after working on your device. Power button Removing the power button Prerequisites 1. Follow the procedure in before working inside your device. 2. Remove the cover. 3. Remove the system fan.
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. 3. Remove the (M2x3) screw that secures the power button to the chassis. 4. Lift the power button out of the chassis.
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. Install the system fan. 2. Install the cover. 3. Follow the procedure in after working on your device.
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. Disconnect the coin-cell battery cable from the connector on the system board. 2. Unroute the coin-cell battery cable from the routing guide.
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. Lift the coin-cell battery.
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. System board Removing the system board Prerequisites 1. Follow the procedure in before working inside your device. 2. Remove the hard-drive assembly. NOTE: For systems configured with solid-state drive in the hard-drive bay ● Remove the M.
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. Route these cables properly when you replace the component to prevent the cables from being pinched or crimped. 4.
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.
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. Route the WLAN antenna cables through the routing guides. NOTE: The antennas should be aligned with the notches in the system board and the cable routing should not be over the system board QR code.
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.
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. 2. 3. 4. 5. 6. 7. Install the system board. Install the solid-state drive Install the memory module. Install the WLAN card. Install the system fan. Install the cover. Install the hard-drive assembly.
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. 3. 4. 5. 6. 7. 8. 9. 10. ● Remove the daughter board. Remove the cover. Remove the system fan. Remove the WLAN card. Remove the solid-state drive. Remove the power button Remove the memory module.
3 Software This chapter details the supported operating systems along with instructions on how to install the drivers. Topics: • Drivers and downloads Drivers and downloads When troubleshooting, downloading or installing drivers it is recommended that you read the Dell Knowledge Based article, Drivers and Downloads FAQ 000123347.
4 System 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: Before you change BIOS Setup program, it is recommended that you write down the BIOS Setup program screen information for future reference. Use the BIOS Setup program for the following purposes: ● Get information about the hardware installed in your computer, such as the amount of RAM and the size of the hard drive.
Navigation keys NOTE: For most of the System Setup options, changes that you make are recorded but do not take effect until you restart the system. 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. Tab Moves to the next focus area. Esc Moves to the previous page until you view the main screen.
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. Processor ID Displays the processor identification code.
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. Custom Mode Key Management Select the custom values for expert key management. Table 5.
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. Device Displays the M.2 PCIe SSD device information of the system. PCIe M.2 eMMC Type Displays the PCIe M.2 eMMC type information of the system.
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. By default, the Power Off option is enabled. Active State Power Management Aspm Enable the Active State Power Management (ASPM) level. By default, the Auto option is enabled.
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. By default, the Disabled option is enabled. Clear Intrusion By default, the option is disabled. Chassis Intrusion Reset Resets the chassis intrusion.
Table 11. System setup options—Passwords menu (continued) Passwords Enable Non-Admin Password Changes Enable or disable to change system and hard drive password without the need for admin password. By default, the option is disabled. Admin Setup Lockout Enable Admin Setup Lockout Enables administrators control over how their users can or cannot access BIOS setup. By default, the option is disabled.
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. By default, the Disabled option is selected. Auto on Time Enable to set the system to turn on automatically every day or on a preselected date and time.
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. By default, the System Unique MAC Address option is enabled. Table 16.
Table 18. System setup options—System Logs menu System Logs BIOS Event Log Clear Bios Event Log Display BIOS events. By default, the Keep option is enabled. Updating the BIOS Updating the BIOS in Windows About this task CAUTION: If BitLocker is not suspended before updating the BIOS, the next time you reboot the system it will not recognize the BitLocker key. You will then be prompted to enter the recovery key to progress and the system will ask for this on each reboot.
2. Create a bootable USB drive. For more information, see the knowledge base article 000145519 at www.dell.com/support. 3. Copy the BIOS setup program file to the bootable USB drive. 4. Connect the bootable USB drive to the computer that needs the BIOS update. 5. Restart the computer and press F12 . 6. Select the USB drive from the One Time Boot Menu. 7. Type the BIOS setup program filename and press Enter. The BIOS Update Utility appears. 8. Follow the on-screen instructions to complete the BIOS update.
System and setup password Table 19. System and setup password Password type Description System password Password that you must enter to log in to your system. Setup password Password that you must enter to access and make changes to the BIOS settings of your computer. You can create a system password and a setup password to secure your computer. CAUTION: The password features provide a basic level of security for the data on your computer.
Steps 1. In the System BIOS or System Setup screen, select System Security and press Enter. The System Security screen is displayed. 2. In the System Security screen, verify that Password Status is Unlocked. 3. Select System Password, update, or delete the existing system password, and press Enter or Tab. 4. Select Setup Password, update, or delete the existing setup password, and press Enter or Tab. NOTE: If you change the System and/or Setup password, reenter the new password when prompted.
5 Troubleshooting Topics: • • • • • • • • Handling swollen Lithium-ion batteries Dell SupportAssist Pre-boot System Performance Check diagnostics Built-in self-test (BIST) Diagnostic LED Recovering the operating system Backup media and recovery options WiFi power cycle Drain residual flea power (perform hard reset) Handling swollen Lithium-ion batteries Like most laptops, Dell laptops use lithium-ion batteries. One type of lithium-ion battery is the lithium-ion polymer battery.
Dell SupportAssist Pre-boot System Performance 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.
3. If there is a failure with the system board, the battery status LED will flash one of the following error codes for 30 seconds: Table 20. LED error codes Blinking Pattern Possible Problem Amber White 2 1 CPU Failure 2 8 LCD Power Rail Failure 1 1 TPM Detection Failure 2 4 Unrecoverable SPI Failure 4. If there is no failure with the system board, the LCD will cycle through the solid color screens described in the LCD-BIST section for 30 seconds and then power off.
Diagnostic LED Instead of beep codes, errors are indicated by the bicolor Battery Charge/Status LED. A specific blink pattern is followed by flashing a pattern of flashes in amber, followed by white. The pattern then repeats. NOTE: The diagnostic pattern consists of a two-digit number being represented by a first group of LED blinks (1 through 9) in amber, followed by a 1.5 s pause with the LED off, and then a second group of LED blinks (1 through 9) in white.
Backup media and recovery options It is recommended to create a recovery drive to troubleshoot and fix problems that may occur with Windows. Dell proposes multiple options for recovering Windows operating system on your Dell PC. For more information. see Dell Windows Backup Media and Recovery Options. 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.
6 Getting help and contacting Dell Self-help resources You can get information and help on Dell products and services using these self-help resources: Table 22. Self-help resources Self-help resources Resource location Information about Dell products and services www.dell.com My Dell app Tips Contact Support In Windows search, type Contact Support, and press Enter. Online help for operating system www.dell.
