HP ProBook 450 G1 Maintenance And Service Manual page 31

Item Description
(1) Display panel, 39.6-cm (15.6-inch), HD, anti-glare
For use in models without a webcam and without WWAN
For use in models with a webcam and with WWAN
For use in models with a webcam and without WWAN
For use in touchscreen models
(2) Keyboard (includes cable)
NOTE: For a detailed list of available keyboards, see
on page 27.
(3) Top cover (includes touchpad assembly)
With a fingerprint reader (includes fingerprint reader assembly)
Without a fingerprint reader (includes fingerprint reader plastic insert, bracket, and screws)
With a fingerprint reader, RCTO (includes fingerprint reader assembly)
(4) Power button board assembly
(5) Function board
(6) Card reader board
(7) Speaker assembly
(8) Fingerprint reader assembly (includes cable, bracket, holder, and screws)
(9) System board (includes replacement thermal material)
Non-Windows 8 with 1-GB discrete graphics memory
Non-Windows 8 with 2-GB discrete graphics memory
Non-Windows 8, UMA graphics memory without WWAN
Non-Windows 8, UMA graphics memory without WWAN, RCTO
Non-Windows 8, UMA graphics memory with WWAN
Windows 8 Standard with 1-GB discrete graphics memory
Windows 8 Professional with 1-GB discrete graphics memory
Windows 8 Standard with 2-GB discrete graphics memory
Windows 8 Professional with 2-GB discrete graphics memory
Windows 8 Standard with UMA graphics and without WWAN
Windows 8 Professional with UMA graphics and without WWAN
Windows 8 Standard with UMA graphics and without WWAN, RCTO
Windows 8 Professional with UMA graphics and without WWAN, RCTO
Windows 8 Standard with UMA graphics and with WWAN
Windows 8 Professional with UMA graphics and with WWAN
Fan/heat sink assembly (includes replacement thermal material)
(10) For use in models with UMA graphics
Sequential part number listing
Spare part number
721941-001
721942-001
724940-001
738810-001
721953-xxx
721951-001
721952-001
748003-001
721531-001
721943-001
734088-001
721950-001
721939-001
734083-001
734084-001
734085-001
734086-001
734087-001
734083-501
734083-601
734084-501
734084-601
734085-501
734085-601
734086-501
734086-601
734087-501
734087-601
721938-001
Computer major components 19