Dell P99G Service Manual page 4

Installing the speakers................................................................................................................................................... 37
LED Board............................................................................................................................................................................ 39
Removing the LED daughterboard..............................................................................................................................39
Installing the LED daughterboard................................................................................................................................. 41
Touchpad button board...................................................................................................................................................... 42
Removing the touchpad button board........................................................................................................................42
Installing the touchpad button board.......................................................................................................................... 43
Smart card reader............................................................................................................................................................... 44
Removing the smart card reader.................................................................................................................................44
Installing the smart card reader................................................................................................................................... 45
Display assembly..................................................................................................................................................................46
Removing the display assembly................................................................................................................................... 46
Installing the display assembly......................................................................................................................................48
Hinge caps............................................................................................................................................................................49
Removing the hinge cap............................................................................................................................................... 49
Installing the hinge cap................................................................................................................................................. 50
Display Hinges.......................................................................................................................................................................51
Removing the hinges..................................................................................................................................................... 51
Installing the hinges....................................................................................................................................................... 53
Display Bezel........................................................................................................................................................................ 55
Removing the display bezel..........................................................................................................................................55
Installing the display bezel............................................................................................................................................ 56
Display Panel........................................................................................................................................................................ 57
Removing the display panel.......................................................................................................................................... 57
Installing the display panel............................................................................................................................................ 59
Camera-microphone module........................................................................................................................................... 61
Removing the camera-microphone module.............................................................................................................61
Installing the camera-microphone module............................................................................................................... 61
Display Cable........................................................................................................................................................................ 62
Removing the display cable.......................................................................................................................................... 62
Installing the display cable............................................................................................................................................ 63
System board....................................................................................................................................................................... 64
Removing the system board........................................................................................................................................ 64
Installing the system board...........................................................................................................................................69
Coin cell.................................................................................................................................................................................74
Removing the coin cell.................................................................................................................................................. 74
Installing the coin cell.....................................................................................................................................................74
Power-Button Board...........................................................................................................................................................75
Removing the power-button board.............................................................................................................................75
Installing the power-button board............................................................................................................................... 77
Keyboard...............................................................................................................................................................................79
Removing the keyboard................................................................................................................................................ 79
Installing the keyboard................................................................................................................................................... 81
Palmrest................................................................................................................................................................................83
5 Troubleshooting......................................................................................................................... 85
Enhanced Pre-Boot System Assessment (ePSA) diagnostics......................................................................................85
Running the ePSA diagnostics.....................................................................................................................................85
System diagnostic lights.....................................................................................................................................................85
Flashing BIOS (USB key)....................................................................................................................................................86
4 Contents