HP ProBook 450 G4 Notebook PC and HP ProBook 455 G4 Notebook PC - Maintenance and Service Guide

Item Description Spare part number
(1a) Display panel assembly, touch
Touch display are only spared as entire hinge-ups. Individual components are not spared.
Models without WWAN 907724-001
Models with WWAN 907725-001
(1b) Display panel assembly, non-touch
Non-touch displays are ONLY spared at the subcomponent level. For more information about
display components, see Display components on page 21.
(2) Keyboard (includes cable)
NOTE: For a detailed list of keyboard country codes, see Keyboard on page 45.
No backlight 827028-xxx
Backlit 827029-xxx
(3) Power button board 905754-001
(4) Top cover (includes touchpad assembly) 905765-001
(5) Function board 905753-001
(6) Fingerprint reader assembly (includes cable) 905772-001
(7) Speaker assembly 905773-001
(8) Battery, Li-ion (4-cell, 48 WHr, 4.21 Ah) 851610-855
(9) Fan 905774-001
(10) USB/audio board 905755-001
(11) Optical drive cable and connector
NOTE: The optical drive cable and connector is included in the Cable Kit.
905769-001
(12) Power connector cable 828949-007
Conductive fabric (for use with the power connector cable) 914604-001
(13) System board (includes replacement thermal material)
All system boards use the following part numbers:
xxxxxx-001: Non-Windows operating system
xxxxxx-601: Windows 10 operating system
For use in HP ProBook 450 G4 models:
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Intel Core i7-7500U processor; 2-GB discrete graphics memory 907715-xxx
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Intel Core i5-7200U processor; 2-GB discrete graphics memory 907714-xxx
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Intel Core i3-7100U processor; 2-GB discrete graphics memory 907713-xxx
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Intel Core i7-7500U processor; UMA graphics memory 907712-xxx
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Intel Core i5-7200U processor; UMA graphics memory 907713-xxx
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Intel Core i5-7200U processor; UMA graphics memory, WWAN models 907711-xxx
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Intel Core i3-7100U processor; UMA graphics memory 907702-xxx
Computer major components 17