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Guidelines to protect your computer and ensure personal safety.
Steps to take before performing any disassembly or repair procedures.
List of tools required for component removal and installation procedures.
Diagram identifying key internal components of the computer.
Procedures for removing and installing the computer's side panel.
Step-by-step guide to detach the side cover from the system.
Step-by-step guide to reattach the side cover to the system.
Procedures for removing and installing the computer's front bezel.
Step-by-step guide to detach the front bezel from the system.
Step-by-step guide to attach the front bezel to the system.
Procedures for removing and installing M.2 NVMe SSDs.
Steps to remove the M.2 2230 PCIe solid-state drive.
Steps to install the M.2 2230 PCIe solid-state drive.
Steps to remove the M.2 2280 PCIe solid-state drive.
Steps to install the M.2 2280 PCIe solid-state drive.
Procedures for removing and installing the wireless network card.
Steps to remove the wireless network card from the system.
Steps to install the wireless network card into the system.
Procedures for removing and installing the system fan assembly.
Steps to remove the fan assembly for discrete graphics configurations.
Steps to install the fan assembly for discrete graphics configurations.
Procedures for removing and installing the coin-cell battery.
Steps to remove the coin-cell battery from the system board.
Steps to install the coin-cell battery onto the system board.
Procedures for removing and installing RAM modules.
Steps to remove the memory modules from the system.
Steps to install the memory modules into the system.
Procedures for removing and installing the internal speaker.
Steps to remove the speaker from the system board.
Steps to install the speaker onto the system board.
Procedures for removing and installing the CPU.
Steps to carefully remove the processor from its socket.
Steps to correctly install the processor into its socket.
Procedures for removing and installing the main system board.
Steps to remove the system board from the chassis.
Steps to install the system board into the chassis.
Procedures for removing and installing the graphics card.
Steps to remove the graphics card from its slot.
Steps to install the graphics card into its slot.
Lists supported operating systems for the OptiPlex 7090 Micro.
Information on obtaining necessary drivers and software.
Explains the role of BIOS in managing computer data flow.
Instructions for updating the system's BIOS from Windows or USB.
How to access and navigate the BIOS setup utility.
Details on various configurable settings within the BIOS.
Guide to using the built-in diagnostic tool for hardware checks.
Explanation of common system error messages and their resolutions.
Procedure to discharge residual power from the system.
Links and information for self-service support and troubleshooting.
Information on how to reach Dell support for assistance.
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