HP EliteBook 840 G1 Service Manual page 8

Grounding guidelines ............................................................................................................. 44
5 Removal and replacement procedures for Customer Self-Repair parts ............................. 48
Component replacement procedures ........................................................................................ 48
6 Removal and replacement procedures for Authorized Service Provider parts .................. 66
Component replacement procedures ........................................................................................ 66
7 Computer Setup (BIOS), MultiBoot, and System Diagnostics in Windows 8 ..................... 104
Using Computer Setup .......................................................................................................... 104
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Electrostatic discharge damage ................................................................................. 44
Packaging and transporting guidelines ....................................................... 46
Workstation guidelines .............................................................. 46
Service cover .......................................................................................................... 48
Battery ................................................................................................................... 50
Hard drive ............................................................................................................. 51
Solid-state drive (SSD) .............................................................................................. 53
RTC battery ............................................................................................................ 55
Memory module ...................................................................................................... 56
WWAN module ..................................................................................................... 58
WLAN module ........................................................................................................ 60
Keyboard ............................................................................................................... 62
Display panel (non-touch) ......................................................................................... 66
Base enclosure ........................................................................................................ 71
Base enclosure (HP EliteBook 840/HP ZBook14 models) .............................. 71
Base enclosure (HP EliteBook 850 models) .................................................. 74
Fan ....................................................................................................................... 77
Card reader board .................................................................................................. 78
VGA/USB board .................................................................................................... 80
Heat sink ............................................................................................................... 81
Power button board ................................................................................................. 86
Fingerprint reader assembly ..................................................................................... 88
System board ......................................................................................................... 90
Speaker assembly ................................................................................................... 95
Display assembly .................................................................................................... 97
Starting Computer Setup ........................................................................................ 104
Navigating and selecting in Computer Setup ............................................................ 105
Restoring factory settings in Computer Setup ............................................................. 105
Updating the BIOS ................................................................................................ 106
Determining the BIOS version .................................................................. 106