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. Remove the two screws (M2x2.5) that secure the wireless-card shield to the system board.
2. Unroute the antenna cables from the routing guides on the wireless-card shield.
3. Lift the wireless-card shield out of the system.
4. Remove the screw (M2x2.5) that secures the wireless-card bracket to the wireless card.
5. Slide and remove the wireless-card bracket off the wireless card.
6. Disconnect the antenna cables from the wireless card.
NOTE:
The antenna cables are preinstalled in your computer at the point of sale, even if you have obtained the
computer without the WLAN card.
7. Slide and remove the wireless card from the wireless-card slot.
Installing the wireless card
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
CAUTION: To avoid damage to the wireless card, route the antenna cables accurately.
About this task
The following image indicates the location of the wireless card and provides a visual representation of the installation procedure.
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Removing and installing components