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 G4. Confirm the exact model on the service label before starting.
HP EliteBook 850 G4 Notebook PC internal base plate replacement. HP prints this procedure on printed page 54 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
821186-001- Internal base plate. Source: printed page 53.
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
- Take out the 5 Phillips M2.0x7.0 screws and the 6 Phillips M2.5x5.0 screws that hold the (printed page 54).
- Take out the 5 broadhead Phillips M2.5x2.5 screws that hold the internal base plate to the computer (printed page 54).
- Take out the base plate from the computer (4). (printed page 54).
- Fit the replacement part by working back through the printed removal steps (printed page 54).
Parts this procedure uses
- HP Internal base plate, 15-inch computers 821186-001 (821186-001)
Manufacturer manual
HP Maintenance and Service Guide (PDF, HP). Machine-readable copy: /api/guides/hp-elitebook-850-g4-internal-base-plate-replacement-p54