HP EliteBook 850 G5 Notebook PC Maintenance And Service Manual page 8

5 Removal and replacement procedures for Customer Self-Repair parts ............................................................. 37
Component replacement procedures .................................................................................................................. 37
6 Removal and replacement procedures for Authorized Service Provider parts ................................................... 49
Component replacement procedures .................................................................................................................. 49
7 Interpreting system validation diagnostic front panel LEDs and audible codes ................................................. 83
8 Computer Setup (BIOS), TPM, and HP Sure Start ............................................................................................. 85
Using Computer Setup ......................................................................................................................................... 85
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Bottom cover ..................................................................................................................................... 37
Solid-state drive (SSD) ...................................................................................................................... 39
Memory modules ............................................................................................................................... 40
WLAN/Bluetooth combo card ............................................................................................................ 42
WWAN module ................................................................................................................................... 44
Keyboard ........................................................................................................................................... 46
Battery ............................................................................................................................................... 50
Heat sink assembly ........................................................................................................................... 52
RTC battery ........................................................................................................................................ 55
USB board .......................................................................................................................................... 56
RJ-45 board with bracket .................................................................................................................. 57
Power button board .......................................................................................................................... 58
Speaker assembly ............................................................................................................................. 59
Fingerprint reader assembly ............................................................................................................. 60
TouchPad ........................................................................................................................................... 61
Pointing stick module ........................................................................................................................ 63
NFC module ....................................................................................................................................... 64
Smart card reader .............................................................................................................................. 65
Fan ..................................................................................................................................................... 66
System board .................................................................................................................................... 68
Display assembly ............................................................................................................................... 72
Top cover ........................................................................................................................................... 82
Starting Computer Setup .................................................................................................................. 85
Using a USB keyboard or USB mouse to start Computer Setup (BIOS) .......................... 85
Navigating and selecting in Computer Setup ................................................................................... 85
Restoring factory settings in Computer Setup ................................................................................. 86
Updating the BIOS ............................................................................................................................. 86
Determining the BIOS version ......................................................................................... 86
Downloading a BIOS update ........................................................................................... 87
Changing the boot order using the f9 prompt .................................................................................. 88