HP EliteBook 820 G2 Notebook PC and HP EliteBook 720 G2 Notebook PC - Maintenance and Service Guide

Item Component Spare part number
For use in Switzerland 776451-BG1
For use in Taiwan 776451-AB1
For use in Thailand 776451-281
For use in Turkey 776451-141
For use in the United Kingdom 776451-031
For use in the United States 776451-001
(3) RTC battery (includes cable and double-sided adhesive) 702853-001
(4) Top cover 783215-001
(5) Power button board (includes cable) 730552-001
(6) NFC module 781862-001
(7) Card reader board (includes cable) 781841-001
(8) Fingerprint reader board (includes bracket and cable) 730554-001
(9) Speaker assembly (includes left and right speakers and cables) 730555-001
(10) TouchPad (includes cable)
For use in models without NFC 781859-001
For use in models with NFC; includes NFC antenna 781860-001
(11) Heat sink (includes replacement thermal material): 730556-001
(12) Fan (includes cable): 730547-001
(13) System board, equipped with:
(includes a graphics subsystem with UMA memory and replacement thermal material)
All system boards use the following part numbers:
xxxxxx-001: Windows 7 or non-Windows operating systems
xxxxxx-501: Windows 8.1 Standard operating system
xxxxxx-601: Windows 8.1 or Windows 10 operating system
Intel Core i7-5600U processor 781858-xxx
Intel Core i7-5500U processor 781857-xxx
Intel Core i5-5300U processor 781856-xxx
Intel Core i5-5200U processor 781855-xxx
Intel Core i3-5010U processor 781854-xxx
(14) Base enclosure (includes RJ-45 cover, rubber feet, and service cover eject latch assembly): 765603-001
Rubber Kit (not illustrated, includes base enclosure rubber screw covers) 730550-001
(15) Hard drive (does not include hard drive bracket, hard drive connector adapter, or screws):
NOTE: The hard drive bracket, hard drive connector adapter, and screws are included in the Hard Drive Hardware Kit,
spare part number 730539-001.
1-TB, 5400-rpm, SATA, 7.0-mm hard drive 762990-001
Computer major components 23