- Notes, cautions, and warnings
- Working inside your computer
- Removing and installing components
- Recommended tools
- Screw List
- Major components of your system
- Side cover
- Front bezel
- Fan duct
- Hard-drive assembly
- 3.5 in. hard-drive assembly
- Solid-state drive
- Memory module
- SD card reader (optional)
- Processor fan and heat-sink assembly
- Processor
- Expansion card
- Graphical processing unit
- Coin-cell battery
- WLAN card
- Slim optical-drive
- Speaker
- Power button
- Power-supply unit
- Intrusion switch
- Optional I/O modules (Type C/ HDMI/VGA/DP/Serial)
- System board
- Software
- System setup
- Troubleshooting
- Getting help and contacting Dell
OptiPlex 5090 Tower Service Manual
Major components of your system
- Side cover
- Intrusion switch
- Optical Disk Drive
- 2.5-inch hard-disk drive assembly
- Fan duct
- Heat-sink
- 3.5-inch hard-disk drive assembly
- Memory module
- Speaker
- Front bezel
- Chassis
- System board
- Powered Graphical processing unit
- M.2 WLAN
- Power Supply Unit
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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