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HP EliteBook 820 G2

HP EliteBook 820 G2
136 pages
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3 Illustrated parts catalog .............................................................................................................................. 20
Computer major components .............................................................................................................................. 20
Plastics Kit ........................................................................................................................................................... 25
Display assembly components ............................................................................................................................ 26
Mass storage devices ........................................................................................................................................... 28
Miscellaneous parts ............................................................................................................................................. 29
4 Removal and replacement preliminary requirements ..................................................................................... 32
Tools required ...................................................................................................................................................... 32
Service considerations ......................................................................................................................................... 32
Plastic parts ....................................................................................................................................... 32
Cables and connectors ...................................................................................................................... 33
Drive handling ................................................................................................................................... 33
Grounding guidelines ........................................................................................................................................... 33
Electrostatic discharge damage ........................................................................................................ 33
Packaging and transporting guidelines .......................................................................... 35
Workstation guidelines ................................................................................ 35
5 Removal and replacement procedures for Customer Self-Repair parts ............................................................. 37
Component replacement procedures .................................................................................................................. 37
Service cover ..................................................................................................................................... 37
Battery ............................................................................................................................................... 39
Hard drive/solid-state drive .............................................................................................................. 41
WWAN module ................................................................................................................................... 44
M.2 solid-state drive ......................................................................................................................... 46
WLAN module .................................................................................................................................... 47
Memory module ................................................................................................................................ 49
Keyboard ........................................................................................................................................... 50
6 Removal and replacement procedures for Authorized Service Provider parts ................................................... 55
Component replacement procedures .................................................................................................................. 55
Unlocking the device and disabling Always On Remote Management (select HP devices only) ..... 55
RTC battery ........................................................................................................................................ 56
Top cover ........................................................................................................................................... 57
Display assembly ............................................................................................................................... 61
TouchPad ........................................................................................................................................... 68
NFC module ....................................................................................................................................... 69
Card reader board .............................................................................................................................. 70
Heat sink ............................................................................................................................................ 72
Fan ..................................................................................................................................................... 74
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