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 system board replacement. HP prints this procedure on printed page 66 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
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
- Position the computer upright (printed page 66).
- Detach the card reader cable and the fingerprint reader cable from the system board by lifting (printed page 66).
- Close the computer and position it upside down. (printed page 66).
- Detach the following cables from the system board: (printed page 67).
- Take out the 2 Phillips M2.5×5.0 screws that hold the system board to the computer. (printed page 67).
- Lift the right side of the main board up at an angle (2). (printed page 67).
- Pull the main board towards the right to disengage the connectors away from the left side of the machine, and after that take the main board (3). (printed page 68).
- Fit the replacement part by working back through the printed removal steps (printed page 68).
Part numbers in our catalog
- HP System board, Intel i7-7600U processor 917507-xx1 (917507-xx1)
- HP System board, Intel i7-7500U processor 917504-xx1 (917504-xx1)
- HP System board, Intel i5-7300U processor 917501-xx1 (917501-xx1)
- HP System board, Intel i5-7200U processor 917503-xx1 (917503-xx1)
- HP System board, Intel i3-7100U processor 917499-xx1 (917499-xx1)
- HP System board, discrete, Intel i7-7600U processor 917506-xx1 (917506-xx1)
- HP System board, discrete, Intel i7-7500U processor 917505-xx1 (917505-xx1)
- HP System board, discrete, Intel i5-7300U processor 917500-xx1 (917500-xx1)
- HP System board, discrete, Intel i5-7200U processor 917502-xx1 (917502-xx1)
- HP System board, discrete, Intel i3-7100U processor 917498-xx1 (917498-xx1)
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-system-board-replacement-p66