HP EliteBook 820 G2 User Manual

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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HP EliteBook 820 G2 Specifications

General

Graphics	Intel HD Graphics 5500
Processor	Intel Core i5-5300U
RAM	Up to 16GB DDR3L
Storage	500GB HDD
Display	12.5-inch HD (1366 x 768)
Operating System	Windows 7
Weight	1.34 kg
Battery	3-cell, 46 Wh Li-ion
Ports	1 DisplayPort, 1 VGA, 1 headphone/microphone combo, 1 AC power, 1 RJ-45, 1 docking connector
Wireless	Intel Dual Band Wireless-AC 7265