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Manuals
OptiPlex 7090 Micro Form Factor Service Manual
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Notes, cautions, and warnings
Working inside your computer
Safety instructions
Before working inside your computer
Safety precautions
Electrostatic discharge—ESD protection
ESD field service kit
Transporting sensitive components
After working inside your computer
Removing and installing components
Recommended tools
Screw List
Major components of your system
Side cover
Removing the side cover
Installing the side cover
Front bezel
Removing the front bezel
Installing the front bezel
Solid-state drive
Removing the M.2 2230 PCIe solid-state drive
Installing the M.2 2230 PCIe solid-state drive
Removing the M.2 2280 PCIe solid-state drive
Installing the M.2 2280 PCIe solid-state drive
WLAN card
Removing the WLAN card
Installing the WLAN card
Fan assembly
Removing the fan assembly-Discrete configuration
Installing the fan assembly-Discrete configuration
Coin-cell battery
Removing the coin-cell battery
Installing the coin-cell battery
Memory modules
Removing the memory modules
Installing the memory modules
Speaker
Removing the speaker
Installing the speaker
Processor
Removing the processor
Installing the processor
System board
Removing the system board
Installing the system board
Graphics card
Removing the graphics card
Installing the graphics card
Software
Operating system
Drivers and downloads
System setup
Boot menu
Navigation keys
Boot Sequence
System setup options
Updating the BIOS
Updating the BIOS in Windows
Updating the BIOS in Linux and Ubuntu
Updating the BIOS using the USB drive in Windows
Updating the BIOS from the F12 One-Time boot menu
System and setup password
Assigning a system setup password
Deleting or changing an existing system setup password
Troubleshooting
SupportAssist diagnostics
Diagnostic LED behavior
Recovering the operating system
Updating the BIOS in Windows
Backup media and recovery options
WiFi power cycle
Drain residual flea power (perform hard reset)
Getting help and contacting Dell
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