Removing the power button board..........................................................................................................................79
Installing the power button board.............................................................................................................................81
Microphones..................................................................................................................................................................... 83
Removing the microphones......................................................................................................................................83
Installing the microphones........................................................................................................................................ 85
Input and Output board................................................................................................................................................... 87
Removing the Input and Output board....................................................................................................................87
Installing the input and output board.......................................................................................................................89
Headset port..................................................................................................................................................................... 91
Removing the headset port.......................................................................................................................................91
Installing the headset port........................................................................................................................................ 92
Antennas........................................................................................................................................................................... 93
Removing the antennas............................................................................................................................................ 93
Installing the antennas...............................................................................................................................................95
Display panel..................................................................................................................................................................... 97
Removing the display panel.......................................................................................................................................97
Installing the display panel.........................................................................................................................................99
Display cable.................................................................................................................................................................... 101
Removing the display cable......................................................................................................................................101
Installing the display cable....................................................................................................................................... 102
Middle frame................................................................................................................................................................... 103
Removing the middle frame.................................................................................................................................... 104
Installing the middle frame...................................................................................................................................... 105
4 Troubleshooting your computer.................................................................................................................. 108
Enhanced Pre-Boot System Assessment — ePSA diagnostics.............................................................................. 108
Running the ePSA Diagnostics...............................................................................................................................108
Diagnostics......................................................................................................................................................................109
Camera status indicator.................................................................................................................................................109
LCD built in self test - BIST...........................................................................................................................................109
Invoking BIST............................................................................................................................................................. 110
5 Getting help.................................................................................................................................................111
Contacting Dell................................................................................................................................................................. 111
Contents
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