Dell Inspiron 7786 - Page 7

Procedure..........................................................................................................................................................................73
49 Replacing the display cable........................................................................................................................ 74
Procedure..........................................................................................................................................................................74
Post-requisites..................................................................................................................................................................74
50 Removing the display back-cover and antenna assembly...........................................................................75
Prerequisites..................................................................................................................................................................... 75
Procedure..........................................................................................................................................................................75
51 Replacing the display back-cover and antenna assembly............................................................................ 76
Procedure..........................................................................................................................................................................76
Post-requisites..................................................................................................................................................................76
52 Device drivers............................................................................................................................................ 77
Intel Chipset Software Installation Utility...................................................................................................................... 77
Video drivers..................................................................................................................................................................... 77
Intel Serial IO driver..........................................................................................................................................................77
Intel Trusted Execution Engine Interface.......................................................................................................................77
Intel Virtual Button driver................................................................................................................................................ 77
Wireless and Bluetooth drivers....................................................................................................................................... 77
53 System setup.............................................................................................................................................78
Boot Sequence.................................................................................................................................................................78
Navigation keys................................................................................................................................................................ 78
BIOS overview..................................................................................................................................................................78
Entering BIOS setup program.........................................................................................................................................79
System setup options......................................................................................................................................................79
Clearing CMOS settings..................................................................................................................................................84
Clearing BIOS (System Setup) and System passwords..............................................................................................84
54 Troubleshooting......................................................................................................................................... 85
Flashing the BIOS............................................................................................................................................................ 85
Flashing BIOS (USB key)................................................................................................................................................ 85
Enhanced Pre-Boot System Assessment (ePSA) diagnostics...................................................................................85
Running the ePSA diagnostics.................................................................................................................................86
System diagnostic lights................................................................................................................................................. 86
Enabling Intel Optane memory........................................................................................................................................87
Disabling Intel Optane memory.......................................................................................................................................87
WiFi power cycle..............................................................................................................................................................88
Flea power release........................................................................................................................................................... 88
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