- Notes, cautions, and warnings
- Working inside your computer
- Major components of your system
- Removing and installing components
- Recommended tools
- Screw list
- Major components of OptiPlex 3090 Tower
- Side cover
- Front bezel
- Fan duct
- 2.5-inch hard-drive assembly
- 3.5-inch hard drive
- Solid-state drive
- Memory modules
- Processor fan and heat-sink assembly
- Processor
- Graphics card
- Graphical processing unit
- Coin-cell battery
- WLAN card
- Slim optical-drive
- Slim optical-drive bracket
- Speaker
- Power button
- Power-supply unit
- Intrusion switch
- Optional I/O modules (HDMI/VGA/DP/Serial)
- System board
- Drivers and downloads
- BIOS setup
- Troubleshooting
- Getting help and contacting Dell
OptiPlex 3090 Tower Service Manual
Major components of your system
- Side cover
- Intrusion switch
- Optical Disk Drive
- 2.5-inch hard-disk drive assembly
- Fan duct
- Processor fan and heat-sink assembly
- 3.5-inch hard-disk drive assembly
- Memory module
- Speaker
- Front bezel
- Chassis
- System board
- Powered Graphical processing unit
- M.2 WLAN
- PSU
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.
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