Dell 0HRTG Service Manual page 4

Installing the coin-cell battery.................................................................................................................................. 39
System fan.......................................................................................................................................................................... 39
Removing the system fan..........................................................................................................................................39
Installing the system fan............................................................................................................................................40
Heat sink.............................................................................................................................................................................. 41
Removing the Heatsink - UMA................................................................................................................................. 41
Installing the Heatsink - UMA...................................................................................................................................42
Removing the Heatsink - Discrete.......................................................................................................................... 43
Installing the Heatsink - Discrete.............................................................................................................................44
Speakers.............................................................................................................................................................................. 45
Removing the speakers..............................................................................................................................................45
Installing the speakers................................................................................................................................................ 46
IO board............................................................................................................................................................................... 47
Removing the IO board.............................................................................................................................................. 47
Installing the IO board................................................................................................................................................ 48
Touchpad.............................................................................................................................................................................49
Removing the touch pad assembly......................................................................................................................... 49
Installing the touch pad assembly........................................................................................................................... 50
Display assembly................................................................................................................................................................ 51
Removing the display assembly................................................................................................................................ 51
Installing the display assembly..................................................................................................................................53
Display bezel....................................................................................................................................................................... 54
Removing the display bezel.......................................................................................................................................54
Installing the display bezel ....................................................................................................................................... 58
Display panel.......................................................................................................................................................................58
Removing the display panel...................................................................................................................................... 58
Installation display panel............................................................................................................................................. 61
Camera.................................................................................................................................................................................63
Removing the camera.................................................................................................................................................63
Installing the camera...................................................................................................................................................64
Display back-cover and antenna assembly................................................................................................................. 65
Removing the display back-cover........................................................................................................................... 65
Installing the display back-cover............................................................................................................................. 65
Power button..................................................................................................................................................................... 66
Removing the power button.....................................................................................................................................66
Installing the power button....................................................................................................................................... 67
System board..................................................................................................................................................................... 68
Removing the system board - Realtek audio........................................................................................................68
Installing the system board - Realtek audio.......................................................................................................... 70
Removing the system board - Cirrus Logic audio................................................................................................72
Installing the system board - Cirrus Logic audio.................................................................................................. 74
Power-adapter port.......................................................................................................................................................... 77
Removing the power adapter port.......................................................................................................................... 77
Installing the power adapter port.............................................................................................................................77
Palm-rest and keyboard assembly.................................................................................................................................78
Removing the palmrest and keyboard assembly.................................................................................................. 78
Chapter 5: Troubleshooting.........................................................................................................80
Enhanced Pre-Boot System Assessment (ePSA) diagnostics...............................................................................80
Running SupportAssist diagnostics.........................................................................................................................80
4 Contents