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. Route the power cable through the slots on the cable cover.
2. Align the screw hole on the cable cover with the screw hole on the bottom cover.
3. Replace the screw (M3x5) to secure the cable cover to the bottom cover.
Next steps
1. Install the stand.
2. Follow the procedure in After working inside your computer.
Back cover
Removing the back cover
Prerequisites
1. Follow the procedure in Before working inside your computer.
CAUTION:
When servicing the system, place it on an elevated, clean, and flat surface. It is recommended to
remove the stand to avoid accidental damage to the system display during servicing.
2. Remove the stand.
3. Remove the cable cover (optional).
About this task
The following image provides a visual representation of the back cover removal procedure.
Removing and installing components
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