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. Remove the two screws (M3x5) that secure the side I/O-board shield to the display-assembly base.
2. Lift and remove the side I/O-board shield off the side I/O-board.
3. Disconnect the SIO-signal cable, SIO-power cable, and audio-board cable from the system board.
4. Remove the SIO-signal cable, SIO-power cable, and audio-board cable from the routing guides on the display-assembly base.
5. Remove the two screws (M2.5x3.5) that secure the side I/O-board to the display-assembly base.
6. Lift and remove the side I/O-board with cables off the display-assembly base.
Installing the side I/O-board
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
The following image indicates the location of the side I/O-board and provides a visual representation of the installation
procedure.
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Removing and installing components