HP ProBook 450 G8 Maintenance And Service Manual page 6

Packaging and transporting guidelines .............................................................................................................. 29
5 Removal and replacement procedures for authorized service provider parts .................................................... 30
Component replacement procedures .................................................................................................................. 30
6 Computer Setup (BIOS), TPM, and HP Sure Start ............................................................................................. 59
Using Computer Setup ......................................................................................................................................... 59
TPM BIOS settings (select products only) ........................................................................................................... 61
Using HP Sure Start (select products only) ......................................................................................................... 62
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Personal grounding methods and equipment .................................................................................. 28
Grounding the work area ................................................................................................................... 28
Recommended materials and equipment ........................................................................................ 28
Preparation for disassembly ............................................................................................................. 30
Bottom cover ..................................................................................................................................... 30
Battery ............................................................................................................................................... 31
Memory modules ............................................................................................................................... 33
WLAN module .................................................................................................................................... 34
WWAN module ................................................................................................................................... 36
Solid-state drive ................................................................................................................................ 38
RTC battery ........................................................................................................................................ 39
I/O board ............................................................................................................................................ 39
Touchpad ........................................................................................................................................... 40
Fan ..................................................................................................................................................... 41
Fingerprint reader board ................................................................................................................... 42
Heat sink ............................................................................................................................................ 43
System board .................................................................................................................................... 45
Speakers ............................................................................................................................................ 48
Power connector cable ...................................................................................................................... 49
Display assembly ............................................................................................................................... 50
Top cover with keyboard ................................................................................................................... 57
Navigating and selecting in Computer Setup ................................................................................... 59
Restoring factory settings in Computer Setup ................................................................................. 59
Updating the BIOS ............................................................................................................................. 60
Determining the BIOS version ......................................................................................... 60
Preparing for a BIOS update ........................................................................................... 60
Downloading a BIOS update ......................................................................... 60
Installing a BIOS update ............................................................................... 61
Changing the boot order using the f9 prompt .................................................................................. 61