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 bottom cover replacement. HP prints this procedure on printed page 34 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
821181-001- Bottom cover for use in HP EliteBook 850 G4 Notebook PC models (includes RJ-45 door, feet, sponge). Source: printed page 34.821150-001- Bottom cover for use in HP ZBook 15u G4 Mobile Workstation models (includes RJ-45 door, feet, sponge). Source: printed page 34.
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
- Set the computer on its face on a flat surface. (printed page 34).
- Take out the 11 rubber screw covers (printed page 35).
- Take out the 11 Phillips M2.5x5.0 screws - (11) (printed page 35).
- Lift the bottom cover off the computer. (printed page 36).
- Fit the replacement part by working back through the printed removal steps (printed page 36).
Part numbers in our catalog
- HP bottom cover (15") (821181-001)
- HP Bottom cover, mobile workstation 821150-001 (821150-001)
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-g4-bottom-cover-replacement-p34