Installing the touchpad...............................................................................................................................................39
Speakers...............................................................................................................................................................................41
Removing the speakers...............................................................................................................................................41
Installing the speakers................................................................................................................................................ 42
Fan Assembly......................................................................................................................................................................43
Removing the Fan Assembly.....................................................................................................................................43
Installing the Fan Assembly.......................................................................................................................................44
Heatsink assembly.............................................................................................................................................................45
Removing the Heatsink Assembly - Discrete........................................................................................................45
Installing the Heatsink Assembly - Discrete..........................................................................................................45
Removing the Heatsink Assembly - UMA..............................................................................................................46
Installing the Heatsink Assembly - UMA................................................................................................................ 47
System board..................................................................................................................................................................... 48
Removing the system board - Discrete..................................................................................................................48
Installing the system board - Discrete.................................................................................................................... 51
Removing the system board - UMA........................................................................................................................53
Installing the system board - UMA..........................................................................................................................56
IO Board...............................................................................................................................................................................59
Removing the IO Board..............................................................................................................................................59
Installing the IO Board................................................................................................................................................60
Power button...................................................................................................................................................................... 61
Removing the Power Button..................................................................................................................................... 61
Installing the Power Button...................................................................................................................................... 62
Display assembly................................................................................................................................................................63
Removing the Display Assembly.............................................................................................................................. 63
Installing the Display Assembly................................................................................................................................ 66
Display bezel.......................................................................................................................................................................68
Removing display bezel.............................................................................................................................................. 68
Installing the display bezel ........................................................................................................................................70
Display panel........................................................................................................................................................................71
Removing display panel............................................................................................................................................... 71
Installing display panel ............................................................................................................................................... 72
Camera................................................................................................................................................................................. 73
Removing camera........................................................................................................................................................ 73
Installing camera.......................................................................................................................................................... 74
Display (eDP) cable...........................................................................................................................................................74
Removing display cable.............................................................................................................................................. 74
Installing display cable................................................................................................................................................ 76
Display back cover assembly...........................................................................................................................................77
Replacing the display back cover.............................................................................................................................77
Palmrest assembly.............................................................................................................................................................78
Removing the Palmrest Assembly........................................................................................................................... 78
Chapter 4: Troubleshooting.........................................................................................................80
Enhanced Pre-Boot System Assessment (ePSA) diagnostics...............................................................................80
Running SupportAssist diagnostics.........................................................................................................................80
System diagnostic lights...................................................................................................................................................81
WiFi power cycle............................................................................................................................................................... 82
Contents
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