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 hole on the audio board with the screw hole on the display-assembly base.
2. Replace the screw (M3x5) to secure the audio board to the display-assembly base.
3. Connect the audio-board cable to the system board.
Next steps
1. Install the side-I/O board.
2. Install the rear-I/O bracket.
3. Install the bottom cover.
4. Install the system-board shield.
5. Install the back cover.
6. Install the cable cover (optional).
7. Install the stand.
8. Follow the procedure in After working inside your computer.
Antenna modules
Removing the antenna modules
Prerequisites
1. Follow the procedure in Before working inside your computer.
2. Remove the stand.
3. Remove the cable cover (optional).
4. Remove the back cover.
5. Remove the system-board shield.
6. Remove the wireless card.
7. Remove the bottom cover.
8. Remove the rear-I/O bracket.
9. Remove the speakers.
About this task
The following image indicates the location of the antenna modules and provides a visual representation removal procedure of the
antenna modules.
Removing and installing components
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