Dell Precision 7730 Service Manual page 5

System board....................................................................................................................................................................78
Removing the system board..................................................................................................................................... 78
Installing the system board........................................................................................................................................ 81
Display assembly.............................................................................................................................................................. 84
Removing the display assembly................................................................................................................................84
Installing the display assembly.................................................................................................................................. 87
Display bezel..................................................................................................................................................................... 89
Removing the display bezel...................................................................................................................................... 89
Installing the display bezel.........................................................................................................................................90
Display hinges....................................................................................................................................................................91
Removing the display hinge.......................................................................................................................................91
Installing the display hinge........................................................................................................................................ 92
Display panel..................................................................................................................................................................... 93
Removing the display panel...................................................................................................................................... 93
Installing the display panel........................................................................................................................................ 95
Camera.............................................................................................................................................................................. 97
Removing the camera................................................................................................................................................97
Installing the camera..................................................................................................................................................98
eDP cable..........................................................................................................................................................................99
Removing the eDP cable.......................................................................................................................................... 99
Installing the eDP cable........................................................................................................................................... 100
Display bracket................................................................................................................................................................ 101
Removing the display support bracket................................................................................................................... 101
Installing the display support bracket.....................................................................................................................102
4 Troubleshooting..........................................................................................................................................104
Enhanced Pre-Boot System Assessment - ePSA diagnostics.............................................................................. 104
Running the ePSA Diagnostics............................................................................................................................... 104
Diagnostic LED............................................................................................................................................................... 104
Battery status lights....................................................................................................................................................... 105
5 Getting help............................................................................................................................................... 106
Contacting Dell............................................................................................................................................................... 106
Contents 5