Source: steps rewritten in our own words (no more than 8 words in a row copied; part numbers, screw sizes and warnings kept as printed) from HP's Maintenance and Service Guide (PDF, printed pages 100). Not bench-tested. We have not performed this repair; keep HP's manual open for its illustrations. Scope restrictions below are part of the guide: do not apply it to other models, generations or configurations. Service manuals are written for trained technicians; work at your own risk.
Labels: DOCUMENTED = taken from HP's manual; PROPOSED = our own joining or ordering of HP's directions, not an HP instruction; UNPERFORMED = a suggested check that has not been carried out.
Applies to
HP ProBook 640 G1. Confirm the exact model on the service label before starting.
HP ProBook 640 G1 Notebook PC top cover replacement. HP prints this procedure on printed page 100 of its maintenance and service guide.
Tools and parts
- Screwdrivers and a non-marking pry tool as HP lists for this procedure
- Static-safe work surface
745889-001- 745889-001. Source: printed page 100.738710-001- 738710-001. Source: printed page 100.745890-001- 745890-001. Source: printed page 100.738711-001- 738711-001. Source: printed page 100.805782-001- 805782-001. Source: printed page 100.738708-001- 738708-001. Source: printed page 100.738709-001- 738709-001. Source: printed page 100.738405-001- 738405-001. Source: printed page 100.738407-001- 738407-001. Source: printed page 100.738406-001- 738406-001. Source: printed page 100.738408-001- 738408-001. Source: printed page 100.805783-001- 805783-001. Source: printed page 100.
Preparation
Save your work, shut the computer down through the operating system, unplug AC power and every external device, and work on a grounded, static-safe surface.
Replacement
- Shut the computer down through the operating system, unplug the power cord, and disconnect every external device. (printed page 100).
- Remove the battery, service cover, hard drive, optical drive and keyboard, and note that the function button, power button and fingerprint reader boards come off with the cover. (printed page 100).
- Take out the four Torx screws (1) that hold the TouchPad to the cover, release the clip (2) and lift the TouchPad (3) out of the cover. (printed page 100).
Parts this procedure uses
- HP Top cover with 2-button TouchPad 745889-001 (745889-001)
- HP TouchPad, 15.6-in., 2-button 738710-001 (738710-001)
- HP Top cover with 4-button TouchPad 745890-001 (745890-001)
- HP TouchPad, 15.6-in., 4-button 738711-001 (738711-001)
- HP Top cover, 2-button TouchPad, backlit keyboard 805782-001 (805782-001)
- HP Top cover with 2-button TouchPad 738708-001 (738708-001)
- HP Top cover with 4-button TouchPad 738709-001 (738709-001)
- HP Screen 738405-001 (738405-001)
- HP touchpad 738407-001 (738407-001)
- HP Screen 738406-001 (738406-001)
- HP touchpad 738408-001 (738408-001)
- HP Top cover with 2-button TouchPad and backlit keyboard 805783-001 (805783-001)
Manufacturer manual
HP Maintenance and Service Guide (PDF, HP). Machine-readable copy: /api/guides/hp-probook-640-g1-notebook-pc-top-cover-replacement-p100