Service 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. Align the screw holes on the side I/O-board with the screw holes on the display-assembly base.
2. Replace the two screws (M2.5x3.5) to secure the side I/O-board to the display-assembly base.
3. Route the SIO-signal cable, SIO-power cable, and audio-board cable through the routing guides on the display-assembly
base.
4. Connect the SIO-signal cable, SIO-power cable, and audio-board cable to the connectors on the system board.
5. Align the screw holes on the side I/O-board shield with the screw holes on the display-assembly base.
6. Replace the two screws (M3x5) to secure the side I/O-board shield to the display-assembly base.
Next steps
1. Install the rear-I/O bracket.
2. Install the bottom cover.
3. Install the system-board shield.
4. Install the back cover.
5. Install the cable cover (optional).
6. Install the stand.
7. Follow the procedure in After working inside your computer.
Removing and installing components
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