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
Removing the system fan—35 W........................................................................................................................... 37
Installing the system fan—35 W............................................................................................................................. 38
Removing the system fan—65 W...........................................................................................................................39
Installing the system fan—65 W............................................................................................................................. 40
Coin-cell battery.................................................................................................................................................................41
Removing the coin-cell battery.................................................................................................................................41
Installing the coin-cell battery.................................................................................................................................. 42
Wireless card...................................................................................................................................................................... 43
Removing the wireless card...................................................................................................................................... 43
Installing the wireless card........................................................................................................................................ 44
Camera assembly...............................................................................................................................................................46
Removing the camera assembly.............................................................................................................................. 46
Installing the camera assembly.................................................................................................................................47
Bottom cover..................................................................................................................................................................... 48
Removing the bottom cover..................................................................................................................................... 48
Installing the bottom cover....................................................................................................................................... 49
Power-supply unit............................................................................................................................................................. 50
Removing the power-supply unit (PSU)................................................................................................................50
Installing the power-supply unit (PSU)..................................................................................................................52
Power-supply fan.............................................................................................................................................................. 54
Removing the PSU fan...............................................................................................................................................54
Installing the PSU fan.................................................................................................................................................55
Heat sink..............................................................................................................................................................................56
Removing the heat sink—35 W...............................................................................................................................56
Installing the heat sink—35 W................................................................................................................................. 57
Removing the heat sink—65 W...............................................................................................................................58
Installing the heat sink—65 W.................................................................................................................................59
Processor............................................................................................................................................................................ 60
Removing the processor............................................................................................................................................60
Installing the processor...............................................................................................................................................61
Rear-I/O bracket...............................................................................................................................................................63
Removing the rear-I/O bracket............................................................................................................................... 63
Installing the rear-I/O bracket................................................................................................................................. 64
System board..................................................................................................................................................................... 65
Removing the system board..................................................................................................................................... 65
Installing the system board....................................................................................................................................... 67
Speakers.............................................................................................................................................................................. 70
Removing the speakers..............................................................................................................................................70
Installing the speakers.................................................................................................................................................71
Power-button board......................................................................................................................................................... 72
Removing the power-button board.........................................................................................................................72
Installing the power-button board...........................................................................................................................73
Microphones....................................................................................................................................................................... 74
Removing the microphones.......................................................................................................................................74
Installing the microphones.........................................................................................................................................76
Side I/O-board................................................................................................................................................................... 77
Removing the side I/O-board................................................................................................................................... 77
Installing the side I/O-board..................................................................................................................................... 78
Audio board.........................................................................................................................................................................80
Removing the audio board........................................................................................................................................ 80
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