HP ZHAN 66 Pro A 14 G4 Maintenance And Service Manual page 6

Cleaning your computer ...................................................................................................................................... 26
Packaging and transporting guidelines .............................................................................................................. 28
Accessing support information ........................................................................................................................... 28
5 Removal and replacement procedures for authorized service provider parts .................................................... 30
Component replacement procedures .................................................................................................................. 30
6 Computer Setup (BIOS), TPM, and HP Sure Start ............................................................................................. 54
Using Computer Setup ......................................................................................................................................... 54
TPM BIOS settings (select products only) ........................................................................................................... 56
Using HP Sure Start (select products only) ......................................................................................................... 57
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Recommended materials and equipment ........................................................................................ 25
Enabling HP Easy Clean (select products only) ................................................................................. 26
Removing dirt and debris from your computer ................................................................................ 26
Cleaning your computer with a disinfectant ..................................................................................... 27
Caring for wood veneer (select products only) ................................................................................. 28
Preparation for disassembly ............................................................................................................. 30
Bottom cover ..................................................................................................................................... 30
Battery ............................................................................................................................................... 31
Memory modules ............................................................................................................................... 33
WLAN module .................................................................................................................................... 34
Solid-state drive ................................................................................................................................ 36
RTC battery ........................................................................................................................................ 36
I/O board ............................................................................................................................................ 37
Touchpad ........................................................................................................................................... 38
Fan ..................................................................................................................................................... 39
Fingerprint reader board ................................................................................................................... 40
Heat sink ............................................................................................................................................ 41
System board .................................................................................................................................... 42
Speaker .............................................................................................................................................. 44
Power connector cable ...................................................................................................................... 45
Display assembly ............................................................................................................................... 46
Top cover with keyboard ................................................................................................................... 52
Navigating and selecting in Computer Setup ................................................................................... 54
Restoring factory settings in Computer Setup ................................................................................. 54
Updating the BIOS ............................................................................................................................. 55
Determining the BIOS version ......................................................................................... 55
Preparing for a BIOS update ........................................................................................... 55
Downloading a BIOS update ......................................................................... 55
Installing a BIOS update ............................................................................... 56
Changing the boot order using the f9 prompt .................................................................................. 56