User Manual
Table Of Contents
- OptiPlex 5400 Service Manual
- Contents
- Working inside your computer
- Removing and installing components
- Recommended tools
- Screw list
- Major components of OptiPlex 5400 All-in-One
- Stand
- Cable cover—optional
- Back cover
- Hard drive
- Memory modules
- System-board shield
- Solid-state drive
- Removing the M.2 2230 solid-state drive-slot 1
- Installing the M.2 2230 solid-state drive-slot 1
- Removing the M.2 2280 solid-state drive-slot 1
- Installing the M.2 2280 solid-state drive-slot 1
- Removing the M.2 2230 solid-state drive-slot 2
- Installing the M.2 2230 solid-state drive-slot 2
- Removing the M.2 2280 solid-state drive-slot 2
- Installing the M.2 2280 solid-state drive-slot 2
- System fan
- Coin-cell battery
- Wireless card
- Camera assembly
- Bottom cover
- Power-supply unit
- Power-supply fan
- Heat sink
- Processor
- Rear-I/O bracket
- System board
- Speakers
- Power-button board
- Microphones
- Side I/O-board
- Audio board
- Antenna modules
- Display panel
- Middle frame
- Drivers and downloads
- BIOS setup
- Troubleshooting
- Getting help and contacting Dell
Steps
1. Slide and align the middle frame to the slots on the display-assembly base, then snap the middle frame into place on the
display-assembly base.
2. Replace the 17 screws (M3x5) to secure the middle frame to the display-assembly base.
Next steps
1. Install the display panel.
2. Install the antenna modules.
3. Install the side-I/O board.
4. Install the PSU.
5. Install the PSU fan.
6. Install the microphones.
7. Install the power-button board.
8. Install the system board.
9. Install the camera assembly.
10. Install the speakers.
11. Install the rear-I/O bracket.
12. Install the bottom cover.
13. Install the wireless card.
14. Install the hard drive.
15. Install the system-board shield.
16. Install the back cover.
17. Install the cable cover (optional).
18. Install the stand.
19. Follow the procedure in After working inside your computer.
Removing and installing components
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