Dell Precision 7680 Service Manual page 4

Secondary M.2 solid-state drive....................................................................................................................................44
Removing the secondary M.2 Solid-state drive................................................................................................... 44
Installing the secondary M.2 SSD module............................................................................................................. 45
Heat sink..............................................................................................................................................................................46
Removing the heat-sink for Integrated graphics.................................................................................................46
Installing the heat-sink for integrated graphics................................................................................................... 47
Removing the heat sink for discrete graphics......................................................................................................48
Installing the heat sink for discrete graphics........................................................................................................ 49
GPU card.............................................................................................................................................................................50
Removing the GPU card............................................................................................................................................50
Installing the GPU card............................................................................................................................................... 51
GPU power cable.............................................................................................................................................................. 52
Removing the GPU power cable..............................................................................................................................52
Installing the GPU power cable................................................................................................................................53
Power button board..........................................................................................................................................................54
Removing the power button board......................................................................................................................... 54
Installing the power button board........................................................................................................................... 55
Power button..................................................................................................................................................................... 56
Removing the power button.....................................................................................................................................56
Installing the power button....................................................................................................................................... 57
Speakers.............................................................................................................................................................................. 58
Removing the speakers..............................................................................................................................................58
Installing the speakers................................................................................................................................................59
Inner frame......................................................................................................................................................................... 59
Removing the inner frame.........................................................................................................................................59
Installing the inner frame...........................................................................................................................................60
SD card reader................................................................................................................................................................... 62
Removing SD card reader..........................................................................................................................................62
Installing SD card reader............................................................................................................................................62
SD card reader FPC..........................................................................................................................................................63
Removing SD card reader FPC................................................................................................................................ 63
Installing SD card reader FPC.................................................................................................................................. 64
System board..................................................................................................................................................................... 65
Removing the system board..................................................................................................................................... 65
Installing the system board....................................................................................................................................... 69
Coin-cell battery................................................................................................................................................................ 72
Removing the coin-cell battery................................................................................................................................ 72
Installing the coin-cell battery.................................................................................................................................. 73
Display assembly................................................................................................................................................................ 74
Removing the display assembly................................................................................................................................74
Installing the display assembly..................................................................................................................................76
Power-adapter port.......................................................................................................................................................... 77
Removing the power-adapter port..........................................................................................................................77
Installing the power-adapter port............................................................................................................................78
Smart-card reader.............................................................................................................................................................79
Removing the smart-card reader.............................................................................................................................79
Installing the smart-card reader.............................................................................................................................. 80
Keyboard............................................................................................................................................................................. 82
Removing the keyboard............................................................................................................................................. 82
Installing the keyboard............................................................................................................................................... 84
4 Contents