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Manuals
OptiPlex 7090 Small 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
Intrusion switch
Removing the intrusion switch
Installing the intrusion switch
Front bezel
Removing the front bezel
Installing the front bezel
Hard drive
Removing the 2.5/3.5-inch hard-drive caddy
Removing the 2.5-inch hard-drive
Installing the 2.5/3.5-inch hard-drive caddy
Installing the 2.5-inch hard-drive
Solid-state drive
Removing the M.2 2230 solid-state drive
Installing the M.2 2230 solid-state drive
Removing the M.2 2280 solid-state drive
Installing the M.2 2280 solid-state drive
Optical drive
Removing the hard-drive and optical-drive bracket
Installing the hard-drive and optical-drive bracket
Removing the slim optical-drive
Installing the slim optical-drive
SD-card reader
Removing the SD-card reader
Installing the SD-card reader
WLAN card
Removing the WLAN card
Installing the WLAN card
Fan and heat-sink assembly
Removing the fan and heat-sink assembly
Installing the fan and heat-sink assembly
Graphics card
Removing the graphics card
Installing the graphics card
Coin-cell battery
Removing the coin-cell battery
Installing the coin-cell battery
Memory modules
Removing the memory modules
Installing the memory modules
Processor
Removing the processor
Installing the processor
Power button
Removing the power button
Installing the power button
Power-supply unit
Removing the power-supply unit
Installing the power-supply unit
System board
System board callouts - 7090 Small Form Factor
Removing the system board
Installing the system board
Software
Drivers and downloads
System setup
Boot menu
Navigation keys
Boot Sequence
System setup options
Overview
Boot Configuration
Integrated Devices
Storage
Display
Connection
Power
Security
Passwords
Update Recovery
System Management
Keyboard
Virtualization
Performance
System Logs
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
Flashing the BIOS
Flashing BIOS (USB key)
Backup media and recovery options
WiFi power cycle
Drain residual flea power (perform hard reset)
Getting help and contacting Dell
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Recommended tools
The procedures in this document may require the following tools:
Phillips #0 screwdriver
Phillips #1 screwdriver
Plastic scribe-Recommended for field technician
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