- Notes, cautions, and warnings
- Working on your computer
- Stands
- Removing and installing components
- Recommended tools
- Screw List
- Major components of your system
- Hard-drive assembly
- Hard-drive bracket
- Hard drive
- Solid-state drive in the hard-drive bay
- Solid-state drive daughter board
- Cover
- Memory module
- WLAN card
- Internal solid-state drive
- eMMC Storage module
- System fan
- Power button
- Coin-cell battery
- System board
- Heat-sink
- Replacing the chassis
- Software
- System setup
- Troubleshooting
- Getting help and contacting Dell
OptiPlex 7090 Ultra Service Manual
After working inside your device
About this task
After you complete any replacement procedure, ensure that you connect any external devices, cards, and cables before turning on your device.
Steps
- Replace all screws and ensure that no stray screws remain inside your device.
- Connect your computer and all attached devices to their electrical outlets.
- Turn on your device.
- If required, verify that the device works correctly by running ePSA diagnostics.
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