Dell OptiPlex 5480 All-in-One Service Manual page 4

Wireless card........................................................................................................................................................................39
Removing the wireless card......................................................................................................................................... 39
Installing the wireless card............................................................................................................................................40
Camera assembly.................................................................................................................................................................42
Removing the camera assembly.................................................................................................................................. 42
Installing the camera assembly.................................................................................................................................... 43
Bottom cover....................................................................................................................................................................... 44
Removing the bottom cover........................................................................................................................................ 44
Installing the bottom cover.......................................................................................................................................... 45
Power-supply unit............................................................................................................................................................... 46
Removing the power-supply unit (PSU).................................................................................................................... 46
Installing the power-supply unit (PSU).......................................................................................................................48
Power-supply fan................................................................................................................................................................ 50
Removing the PSU fan................................................................................................................................................. 50
Installing the PSU fan.................................................................................................................................................... 51
Heat sink...............................................................................................................................................................................52
Removing the heat sink-UMA ..................................................................................................................................52
Installing the heat sink-UMA..................................................................................................................................... 53
Removing the heat sink-discrete..............................................................................................................................54
Installing the heat sink-discrete................................................................................................................................ 55
Processor............................................................................................................................................................................. 56
Removing the processor...............................................................................................................................................56
Installing the processor................................................................................................................................................. 57
Rear-I/O bracket.................................................................................................................................................................59
Removing the rear-I/O bracket ..................................................................................................................................59
Installing the rear-I/O bracket .................................................................................................................................... 60
System board....................................................................................................................................................................... 62
Removing the system board........................................................................................................................................ 62
Installing the system board...........................................................................................................................................66
Speakers............................................................................................................................................................................... 68
Removing the speakers................................................................................................................................................ 68
Installing the speakers...................................................................................................................................................69
Power-button board............................................................................................................................................................70
Removing the power-button board.............................................................................................................................70
Installing the power-button board................................................................................................................................ 71
Microphones.........................................................................................................................................................................72
Removing the microphones..........................................................................................................................................72
Installing the microphones............................................................................................................................................ 73
Side I/O-board..................................................................................................................................................................... 74
Removing the side-I/O board.......................................................................................................................................74
Installing the side-I/O board.........................................................................................................................................75
Audio board...........................................................................................................................................................................77
Removing the audio board............................................................................................................................................ 77
Installing the audio board.............................................................................................................................................. 77
Antenna modules................................................................................................................................................................. 78
Removing the antenna modules.................................................................................................................................. 78
Installing the antenna modules.....................................................................................................................................79
Display panel......................................................................................................................................................................... 81
Removing the display panel...........................................................................................................................................81
Installing the display panel............................................................................................................................................ 82
4 Contents