5 Removal and replacement procedures for Customer Self-Repair parts ............................................................. 57
Component replacement procedures ................................................................................................................. 57
Service cover ..................................................................................................................................... 57
Battery ............................................................................................................................................... 59
Hard drive .......................................................................................................................................... 60
Solid-state drive (SSD) ...................................................................................................................... 62
RTC battery ........................................................................................................................................ 64
Memory module ................................................................................................................................ 65
WWAN module ................................................................................................................................... 67
WLAN module .................................................................................................................................... 69
Keyboard ........................................................................................................................................... 71
6 Removal and replacement procedures for Authorized Service Provider parts ................................................... 75
Component replacement procedures ................................................................................................................. 75
Display panel (non-touch) ................................................................................................................ 75
Base enclosure .................................................................................................................................. 79
Base enclosure (HP EliteBook 840/HP ZBook14 models) ............................................. 79
Base enclosure (HP EliteBook 850 models) ................................................................... 82
Fan ..................................................................................................................................................... 85
Card reader board ............................................................................................................................. 86
VGA/USB board .................................................................................................................................. 87
Heat sink ............................................................................................................................................ 88
Power button board .......................................................................................................................... 92
Fingerprint reader assembly ............................................................................................................. 94
System board .................................................................................................................................... 96
Speaker assembly ........................................................................................................................... 106
Display assembly ............................................................................................................................ 108
7 Computer Setup (BIOS), MultiBoot, and System Diagnostics in Windows 8 ...................................................... 115
Using Computer Setup ....................................................................................................................................... 115
Starting Computer Setup ................................................................................................................ 115
Navigating and selecting in Computer Setup ................................................................................. 115
Restoring factory settings in Computer Setup ............................................................................... 116
Updating the BIOS ........................................................................................................................... 116
Determining the BIOS version ...................................................................................... 116
Downloading a BIOS update ......................................................................................... 117
HP Sure Start ................................................................................................................................... 117
Using MultiBoot ................................................................................................................................................. 118
About the boot device order ........................................................................................................... 118
Choosing MultiBoot preferences .................................................................................................... 118
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