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 EliteBook 850 G2. Confirm the exact model on the service label before starting.
HP EliteBook 850 G2 Notebook PC touchpad replacement. HP prints this procedure on printed page 78 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
799544-001- For use only on HP EliteBook 850 G2 Notebook PC and HP EliteBook 750 G2 Notebook PC computer models not equipped with an NFC module. Source: printed page 78.797431-001- For use only on HP ZBook 15u G2 Mobile Workstation computer models equipped with an NFC module (includes NFC module cable). Source: printed page 78.798050-001- For use only on HP ZBook 15u G2 Mobile Workstation computer models not equipped with an NFC module. Source: printed page 78.798049-001- For use only on HP ZBook 15u G2 Mobile Workstation computer models not equipped with an NFC module. Source: printed page 78.
Preparation
Save your work and shut the computer down through the operating system, unplug AC power and every external device, and work on a clean, grounded, ESD-protected surface while sorting each screw by its original location. Handle every cable by its connector and put each one back in its own place during reassembly.
Replacement
- Let go of the ZIF connector to which the TouchPad cable is connected (printed page 78).
- Take out the two Phillips PM2.0×2.0 broad head screws that hold the TouchPad to the top cover. (printed page 78).
- Raise the top rim of the Pointing pad until it rests at an angle (3). 78 Section 6 Removal as well as replacement procedures for Authorized Service Provider parts ENWW (printed page 78).
- Take out the TouchPad by sliding it away from the top panel at an angle. (printed page 79).
- Fit the replacement part by working back through the printed removal steps (printed page 79).
Part numbers in our catalog
- HP touchpad 797431-001 (797431-001)
- HP TouchPad for machines with NFC module 799544-001 (799544-001)
- HP TouchPad for machines with NFC module 798050-001 (798050-001)
- HP TouchPad for machines without NFC module 798049-001 (798049-001)
Check each part page for its source and variant notes before ordering.
Manufacturer manual
HP Maintenance and Service Guide (PDF, HP). Machine-readable copy: /api/guides/hp-elitebook-850-g2-touchpad-replacement-p78