Dell OptiPlex 7780 All-In-One - Page 4

Installing the wireless card............................................................................................................................................38
Camera assembly................................................................................................................................................................ 40
Removing the camera assembly..................................................................................................................................40
Installing the camera assembly..................................................................................................................................... 41
Bottom cover....................................................................................................................................................................... 42
Removing the bottom cover........................................................................................................................................ 42
Installing the bottom cover...........................................................................................................................................43
Power-supply unit................................................................................................................................................................44
Removing the power-supply unit (PSU).................................................................................................................... 44
Installing the power-supply unit (PSU).......................................................................................................................46
Power-supply fan................................................................................................................................................................ 48
Removing the PSU fan................................................................................................................................................. 48
Installing the PSU fan....................................................................................................................................................49
Heat sink...............................................................................................................................................................................49
Removing the heat sink—UMA...................................................................................................................................49
Installing the heat sink—UMA.....................................................................................................................................50
Removing the heat sink—discrete.............................................................................................................................. 51
Installing the heat sink—discrete................................................................................................................................ 52
Processor..............................................................................................................................................................................53
Removing the processor...............................................................................................................................................53
Installing the processor................................................................................................................................................. 54
Rear-I/O bracket.................................................................................................................................................................56
Removing the rear-I/O bracket...................................................................................................................................56
Installing the rear-I/O bracket..................................................................................................................................... 58
System board.......................................................................................................................................................................59
Removing the system board........................................................................................................................................ 59
Installing the system board...........................................................................................................................................62
Speakers...............................................................................................................................................................................65
Removing the speakers................................................................................................................................................ 65
Installing the speakers...................................................................................................................................................66
Power-button board............................................................................................................................................................67
Removing the power-button board.............................................................................................................................67
Installing the power-button board...............................................................................................................................68
Microphones........................................................................................................................................................................ 69
Removing the microphones......................................................................................................................................... 69
Installing the microphones............................................................................................................................................ 70
Side I/O-board......................................................................................................................................................................71
Removing the side-I/O board....................................................................................................................................... 71
Installing the side-I/O board.........................................................................................................................................73
Audio board...........................................................................................................................................................................74
Removing the audio board............................................................................................................................................74
Installing the audio board.............................................................................................................................................. 75
Antennas...............................................................................................................................................................................76
Removing the antenna modules.................................................................................................................................. 76
Installing the antenna modules..................................................................................................................................... 77
Display panel.........................................................................................................................................................................78
Removing the display panel.......................................................................................................................................... 78
Installing the display panel............................................................................................................................................ 79
Middle frame.........................................................................................................................................................................81
Removing the middle frame.......................................................................................................................................... 81
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