
Prerequisites.....................................................................................................................................................................117
Procedure......................................................................................................................................................................... 117
49 Replacing the display hinges..................................................................................................................... 119
Procedure ........................................................................................................................................................................119
Post-requisites................................................................................................................................................................ 120
50 Removing the display cable.......................................................................................................................121
Prerequisites.....................................................................................................................................................................121
Procedure.........................................................................................................................................................................121
51 Replacing the display cable....................................................................................................................... 123
Procedure ....................................................................................................................................................................... 123
Post-requisites................................................................................................................................................................ 124
52 Removing the display back-cover and antenna assembly..........................................................................125
Prerequisites....................................................................................................................................................................125
Procedure........................................................................................................................................................................ 125
53 Replacing the display back-cover and antenna assembly.......................................................................... 127
Procedure ....................................................................................................................................................................... 127
Post-requisites................................................................................................................................................................ 128
54 Device drivers.......................................................................................................................................... 129
Intel Chipset Software Installation Utility.....................................................................................................................129
Video drivers................................................................................................................................................................... 129
Intel Serial IO driver........................................................................................................................................................ 129
Intel Trusted Execution Engine Interface.....................................................................................................................129
Intel Virtual Button driver.............................................................................................................................................. 130
Wireless and Bluetooth drivers..................................................................................................................................... 130
55 System setup............................................................................................................................................131
System setup................................................................................................................................................................... 131
Entering BIOS setup program........................................................................................................................................131
Navigation keys................................................................................................................................................................131
Boot Sequence............................................................................................................................................................... 132
Clearing CMOS settings................................................................................................................................................ 132
Clearing BIOS (System Setup) and System passwords............................................................................................ 133
56 Troubleshooting........................................................................................................................................134
Flashing the BIOS...........................................................................................................................................................134
Flashing BIOS (USB key)...............................................................................................................................................134
Enhanced Pre-Boot System Assessment (ePSA) diagnostics................................................................................. 135
Running the ePSA diagnostics................................................................................................................................135
System diagnostic lights................................................................................................................................................135
Enabling Intel Optane memory......................................................................................................................................136
Disabling Intel Optane memory..................................................................................................................................... 137
WiFi power cycle.............................................................................................................................................................137
Contents 7