HP EliteBook 755 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 ................................................... 46
Component replacement procedures .................................................................................................................. 46
7 Interpreting system validation diagnostic front panel LEDs and audible codes ................................................. 78
8 Computer Setup (BIOS), TPM, and HP Sure Start ............................................................................................. 80
Using Computer Setup ......................................................................................................................................... 80
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Bottom cover ..................................................................................................................................... 34
Solid-state drive (SSD) ...................................................................................................................... 36
Memory modules ............................................................................................................................... 37
WLAN/Bluetooth combo card ............................................................................................................ 39
WWAN module ................................................................................................................................... 41
Keyboard ........................................................................................................................................... 43
Battery ............................................................................................................................................... 47
Heat sink assembly ........................................................................................................................... 49
RTC battery ........................................................................................................................................ 51
USB board .......................................................................................................................................... 52
RJ-45 board with bracket .................................................................................................................. 53
Power button board .......................................................................................................................... 54
Speaker assembly ............................................................................................................................. 55
Fingerprint reader assembly ............................................................................................................. 56
TouchPad ........................................................................................................................................... 57
TouchPad button board ..................................................................................................................... 59
NFC module ....................................................................................................................................... 60
Smart card reader .............................................................................................................................. 61
Fan ..................................................................................................................................................... 62
System board .................................................................................................................................... 64
Display assembly ............................................................................................................................... 67
Top cover ........................................................................................................................................... 77
Starting Computer Setup .................................................................................................................. 80
Using a USB keyboard or USB mouse to start Computer Setup (BIOS) .......................... 80
Navigating and selecting in Computer Setup ................................................................................... 80
Restoring factory settings in Computer Setup ................................................................................. 81
Updating the BIOS ............................................................................................................................. 81
Determining the BIOS version ......................................................................................... 81
Downloading a BIOS update ........................................................................................... 82
Changing the boot order using the f9 prompt .................................................................................. 83