HP ProBook 440 G1 Notebook PC Maintenance and Service Guide

Item Description Spare part
number
(1) Display panel, 35.6-cm (14.0-inch), HD, anti-glare
For use in models without a webcam and without WWAN 721515-001
For use in models with a webcam and with WWAN 721516-001
For use in models with a webcam and without WWAN 724939-001
(2) Keyboard (includes cable)
NOTE: For a detailed list of available keyboards, see
Sequential part number listing
on page 27.
721520-xxx
(3) Top cover (includes touchpad assembly)
With a fingerprint reader (includes fingerprint reader assembly) 721540-001
Without a fingerprint reader (includes fingerprint reader plastic insert, bracket, and screws) 721541-001
With a fingerprint reader, RCTO (includes touchpad assembly, fingerprint reader plastic
insert, bracket, and screws)
(4) Power button board assembly 721531-001
(5) Function board 721518-001
(6) Card reader board 734088-001
(7) Speaker assembly 721537-001
(8) Fingerprint reader assembly (includes cable, bracket, holder, and screws) 721517-001
(9) System board (includes replacement thermal material)
Non-Windows 8 with 1-GB discrete graphics memory 734083-001
Non-Windows 8 with 2-GB discrete graphics memory 734084-001
Non-Windows 8, UMA graphics memory without WWAN 734085-001
Non-Windows 8, UMA graphics memory with WWAN 734087-001
Windows 8 Standard with 1-GB discrete graphics memory 734083-501
Windows 8 Professional with 1-GB discrete graphics memory 734083-601
Windows 8 Standard with 2-GB discrete graphics memory 734084-501
Windows 8 Professional with 2-GB discrete graphics memory 734084-601
Windows 8 Standard with UMA graphics and without WWAN 734085-501
Windows 8 Professional with UMA graphics and without WWAN 734085-601
Windows 8 Standard with UMA graphics and with WWAN 734087-501
Windows 8 Professional with UMA graphics and with WWAN 734087-601
Fan/heat sink assembly (includes replacement thermal material)
(10) For use in models with UMA graphics 721539-001
(11) For use in models with discrete graphics 721538-001
20 Chapter 3 Illustrated parts catalog