HP ProBook 450 G5 Maintenance And Service Manual page 8

5 Removal and replacement procedures for Customer Self-Repair parts ............................................................. 34
Component replacement procedures .................................................................................................................. 34
6 Removal and replacement procedures for Authorized Service Provider parts ................................................... 49
Component replacement procedures .................................................................................................................. 49
7 Computer Setup (BIOS), TPM, and HP Sure Start ............................................................................................. 82
Using Computer Setup ......................................................................................................................................... 82
TPM BIOS settings (select products only) ........................................................................................................... 85
Using HP Sure Start (select products only) ......................................................................................................... 85
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Battery Safe mode ............................................................................................................................ 34
Service doors ..................................................................................................................................... 35
Memory modules ............................................................................................................................... 37
WLAN/Bluetooth combo card ............................................................................................................ 39
WWAN module ................................................................................................................................... 41
Hard drive .......................................................................................................................................... 43
M.2 solid-state drive ......................................................................................................................... 45
Keyboard ........................................................................................................................................... 46
Top cover ........................................................................................................................................... 50
Fingerprint reader assembly ............................................................................................................. 53
Power button board .......................................................................................................................... 55
Speaker assembly ............................................................................................................................. 56
TouchPad assembly ........................................................................................................................... 58
USB board .......................................................................................................................................... 60
Fan ..................................................................................................................................................... 62
Card reader board .............................................................................................................................. 64
Battery ............................................................................................................................................... 65
System board .................................................................................................................................... 67
Heat sink assembly ........................................................................................................................... 70
RTC battery ........................................................................................................................................ 73
Display assembly - non-touch .......................................................................................................... 74
Power connector and cable ............................................................................................................... 81
Starting Computer Setup .................................................................................................................. 82
Using a USB keyboard or USB mouse to start Computer Setup (BIOS) .......................... 82
Navigating and selecting in Computer Setup ................................................................................... 82
Restoring factory settings in Computer Setup ................................................................................. 83
Updating the BIOS ............................................................................................................................. 83
Determining the BIOS version ......................................................................................... 83
Downloading a BIOS update ........................................................................................... 84
Changing the boot order using the f9 prompt .................................................................................. 85