HP EliteBook 840 G8 Maintenance And Service Manual page 8

Packaging and transporting guidelines .............................................................................................................. 32
5 Removal and replacement procedures for Customer Self-Repair parts ............................................................. 33
Component replacement procedures .................................................................................................................. 33
6 Removal and replacement procedures for authorized service provider parts .................................................... 43
Component replacement procedures .................................................................................................................. 43
7 Computer Setup (BIOS), TPM, and HP Sure Start ............................................................................................. 75
Using Computer Setup ......................................................................................................................................... 75
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Generating static electricity .............................................................................................................. 29
Preventing electrostatic damage to equipment ............................................................................... 30
Personal grounding methods and equipment .................................................................................. 30
Grounding the work area ................................................................................................................... 31
Recommended materials and equipment ........................................................................................ 31
Preparation for disassembly ............................................................................................................. 33
Bottom cover ..................................................................................................................................... 33
Memory modules ............................................................................................................................... 34
WLAN module .................................................................................................................................... 37
WWAN module ................................................................................................................................... 38
Solid-state drive ................................................................................................................................ 40
Preparation for disassembly ............................................................................................................. 43
Battery ............................................................................................................................................... 43
RTC battery ........................................................................................................................................ 45
Speakers ............................................................................................................................................ 46
Card reader board .............................................................................................................................. 47
Power connector cable ...................................................................................................................... 48
USB board .......................................................................................................................................... 49
Fingerprint reader board ................................................................................................................... 50
Touchpad ........................................................................................................................................... 51
NFC module ....................................................................................................................................... 53
Fan ..................................................................................................................................................... 53
Heat sink ............................................................................................................................................ 54
System board .................................................................................................................................... 56
Display assembly ............................................................................................................................... 59
Keyboard with top cover ................................................................................................................... 74
Navigating and selecting in Computer Setup ................................................................................... 75
Restoring factory settings in Computer Setup ................................................................................. 75
Updating the BIOS ............................................................................................................................. 76
Determining the BIOS version ......................................................................................... 76