- Notes, cautions, and warnings
- Working inside your computer
- Removing and installing components
- Recommended tools
- Screw List
- Major components of your system
- SD-card reader
- Side cover
- Front bezel
- 2.5-inch hard drive
- 3.5-inch hard drive
- Solid state drive
- Memory modules
- Hard-drive and optical-drive bracket
- Optical drive
- WLAN card
- Processor heat-sink assembly
- Heat-sink fan
- Expansion card
- Optional I/O modules (Type C/ HDMI / DPl)
- Coin-cell battery
- Speaker
- Intrusion switch
- Power-supply unit
- Processor
- System board
- Software
- System setup
- Troubleshooting
- Getting help and contacting Dell Technologies
OptiPlex 5090 Small Form Factor Service Manual
Screw List
The following table shows the screw list and the images for different components.
| Component | Screw type | Quantity | Image |
|---|---|---|---|
M.2 2230/2280 solid-state drive | M2x3 | 1 |  |
SD-card reader | M3x5 | 2 |  |
WLAN card | M2x3 | 1 | |
Fan and heatsink assembly | Captive screws | 4 |
|
Power-supply unit | 6x32 | 3 |  |
System board | 6-32 | 4 |
|
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