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
Stand
Removing the fixed stand
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. Dell Technologies
recommends removing the stand to avoid accidental damage to the system display during servicing.
About this task
The following image provides a visual representation of the fixed stand removal procedure.
Steps
1. Press and slide the release button up.
2. Hold the button in the release position and lift the stand upward.
3. Slide the stand downward, to lift the stand off the back cover.
Installing the fixed stand
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
Removing and installing components
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