HP mt20 Maintenance And Service Manual page 8

6 Removal and replacement procedures for Authorized Service Provider parts ................................................... 35
Component replacement procedures .................................................................................................................. 35
7 Computer Setup (BIOS), TPM, and HP Sure Start ............................................................................................. 67
Using Computer Setup ......................................................................................................................................... 67
TPM BIOS settings (select products only) ........................................................................................................... 70
Using HP Sure Start (select products only) ......................................................................................................... 70
8 Using HP PC Hardware Diagnostics (UEFI) (Windows only) ............................................................................... 71
Downloading HP PC Hardware Diagnostics (UEFI) to a USB device .................................................................... 71
9 Diagnostics and troubleshooting .................................................................................................................. 73
LEDs ..................................................................................................................................................................... 73
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Service door ....................................................................................................................................... 26
Memory modules ............................................................................................................................... 27
WLAN/Bluetooth combo card ............................................................................................................ 29
M.2 solid-state drive ......................................................................................................................... 31
Keyboard ........................................................................................................................................... 32
Display subcomponents (bezel, webcam, panel) ............................................................................. 35
Top cover ........................................................................................................................................... 39
Power button board .......................................................................................................................... 42
Function board .................................................................................................................................. 44
Speaker assembly ............................................................................................................................. 46
TouchPad assembly ........................................................................................................................... 47
USB/audio board ................................................................................................................................ 49
Battery ............................................................................................................................................... 50
Fan ..................................................................................................................................................... 52
System board .................................................................................................................................... 54
RTC battery ........................................................................................................................................ 57
Heat sink assembly ........................................................................................................................... 58
Display assembly ............................................................................................................................... 60
Power connector and cable ............................................................................................................... 66
Starting Computer Setup .................................................................................................................. 67
Navigating and selecting in Computer Setup ................................................................................... 67
Restoring factory settings in Computer Setup ................................................................................. 67
Updating the BIOS ............................................................................................................................. 68
Determining the BIOS version and using Setup to update BIOS .................................... 68
Downloading a BIOS update ........................................................................................... 69
Changing the boot order using the f9 prompt .................................................................................. 69