Dell P118G Service Manual page 4

Installing the speakers................................................................................................................................................ 42
Heatsink assembly.............................................................................................................................................................43
Removing the heatsink assembly.............................................................................................................................43
Installing the heatsink assembly...............................................................................................................................44
System Fan......................................................................................................................................................................... 44
Removing the system fan..........................................................................................................................................44
Installing the system fan............................................................................................................................................45
I/O board............................................................................................................................................................................. 47
Removing the input and output board....................................................................................................................47
Installing the input and output board......................................................................................................................48
DC-in port........................................................................................................................................................................... 49
Removing the DC-in................................................................................................................................................... 49
Installing the DC-in..................................................................................................................................................... 50
World facing camera......................................................................................................................................................... 51
Removing the world-facing camera.........................................................................................................................51
Installing the world-facing camera.......................................................................................................................... 52
System board..................................................................................................................................................................... 52
Removing the system board..................................................................................................................................... 52
Installing the system board....................................................................................................................................... 54
Display assembly................................................................................................................................................................57
Removing the display assembly................................................................................................................................57
Installing the display assembly................................................................................................................................. 58
Camera microphone module........................................................................................................................................... 60
Removing the camera-microphone module.......................................................................................................... 60
Installing the camera-microphone module............................................................................................................. 61
LCD panel............................................................................................................................................................................ 62
Removing the LCD panel........................................................................................................................................... 62
Installing the LCD panel............................................................................................................................................. 63
Display hinges.....................................................................................................................................................................65
Removing the display hinges.................................................................................................................................... 65
Installing the hinges.................................................................................................................................................... 65
eDP cable............................................................................................................................................................................ 66
Removing the eDP cable........................................................................................................................................... 66
Installing the eDP cable..............................................................................................................................................67
Plamrest...............................................................................................................................................................................68
Chapter 5: Troubleshooting......................................................................................................... 72
Handling swollen Lithium-ion batteries........................................................................................................................ 72
Dell SupportAssist Pre-boot System Performance Check diagnostics................................................................73
Running the SupportAssist Pre-Boot System Performance Check................................................................ 73
WiFi power cycle................................................................................................................................................................73
Built-in self-test (BIST)................................................................................................................................................... 74
M-BIST........................................................................................................................................................................... 74
LCD Power rail test (L-BIST)................................................................................................................................... 74
LCD Built-in Self Test (BIST)................................................................................................................................... 74
Diagnostic LEDs.................................................................................................................................................................75
Recovering the operating system..................................................................................................................................76
Backup media and recovery options............................................................................................................................. 76
WiFi power cycle............................................................................................................................................................... 76
Drain residual flea power (perform hard reset)......................................................................................................... 76
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