Dell Inspiron 5480 - Replacing the touchpad; Removing the speakers; Replacing the speakers; Removing the heat sink

37
Replacing the system board
....................................................................................................................... 62
Procedure..........................................................................................................................................................................62
Post-requisites..................................................................................................................................................................63
38 Removing the palm-rest and keyboard assembly....................................................................................... 64
Prerequisites..................................................................................................................................................................... 64
Procedure..........................................................................................................................................................................64
39 Replacing the palm-rest and keyboard assembly........................................................................................66
Procedure......................................................................................................................................................................... 66
Post-requisites................................................................................................................................................................. 66
40 Device drivers............................................................................................................................................ 67
Intel Chipset Software Installation Utility...................................................................................................................... 67
Video drivers.....................................................................................................................................................................67
Intel Serial IO driver..........................................................................................................................................................67
Intel Trusted Execution Engine Interface.......................................................................................................................67
Intel Virtual Button driver................................................................................................................................................ 67
Wireless and Bluetooth drivers....................................................................................................................................... 67
41 System setup............................................................................................................................................. 68
Boot Sequence.................................................................................................................................................................68
Navigation keys................................................................................................................................................................ 68
BIOS overview..................................................................................................................................................................68
Entering BIOS setup program........................................................................................................................................ 69
System setup options......................................................................................................................................................69
Clearing CMOS settings..................................................................................................................................................74
Clearing BIOS (System Setup) and System passwords.............................................................................................. 74
42 Troubleshooting......................................................................................................................................... 75
Flashing the BIOS............................................................................................................................................................ 75
Flashing BIOS (USB key)................................................................................................................................................ 75
Enhanced Pre-Boot System Assessment (ePSA) diagnostics...................................................................................75
Running the ePSA diagnostics................................................................................................................................. 76
Diagnostics........................................................................................................................................................................76
Enabling Intel Optane memory........................................................................................................................................77
Disabling Intel Optane memory.......................................................................................................................................77
WiFi power cycle.............................................................................................................................................................. 77
Flea power release........................................................................................................................................................... 78
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