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 645 G9. Confirm the exact model on the service label before starting.
HP EliteBook 645 14 inch G9 Notebook PC display assembly replacement. HP prints this procedure on printed page 64 of its maintenance and service guide.
tools and parts
- Tweezers, Nonconductive, nonmarking pry tool and Magnetic Phillips P1 drivers
- Static-safe work surface
- No spare part number for this component was found in the cached manual
preparation
HP prints its tools list and its handling and electrostatic-discharge cautions on printed page 31. Its preparation for disassembly is on printed page 40: power the unit down through the operating system, unplug the power cord and detach every external device before opening it. Work on a grounded, static-safe surface, keep screws grouped by the position they came from, and handle boards and modules by their edges.
replacement
- Detach display cable (1), and then remove cable from the clips around the fan (2). (printed page 64).
- Detach the antenna cables from the WLAN module (3). (printed page 64).
- (Select models only) Detach antenna cables from WWAN module (4), and then remove cables from the clips (5). (printed page 65).
- Take out the five Phillips M2.5 × 4.0 screws that hold the display assembly to the computer. (printed page 65).
- Rotate the display to open the hinges (2). (printed page 65).
- Separate the display assembly from the computer (3). (printed page 65).
- If you need to remove bezel: a. Flex top (1), left and right sides (2), and then bottom of the bezel to release it. b. Take out the bezel from the display (4). (printed page 65).
- If the display panel has to come out: a. The panel is taped to the display enclosure under its left and right sides sides. Pull the tape out from behind the panel at each of its four corners. (printed page 66).
- When replacing the display panel, follow these steps: (printed page 67).
- If you need to remove the camera module: (printed page 69).
- If you need to remove hinges from the display enclosure: a. Take out the trim pieces (1). b. Take out the two Phillips M2.5 × 2.5 screws from each hinge. c. Take out the Phillips M2.5 × 4.0 screw from each hinge. (printed page 70).
- If you need to remove ambient light sensor board, disconnect cable from ZIF connector on sensor (1), and then use tool to release the board from the display (3). (printed page 70).
- If you need to remove display panel/camera cable, peel cable up off the inside of the panel rear cover. (printed page 71).
- If you need to remove WLAN antennas and cables (printed page 72).
- If you need to remove WWAN antennas and cables (printed page 72).
- Put the display assembly back by repeating the printed removal moves in the opposite order (printed page 73).
Part numbers in our catalog
- HP FHD privacy display panel (N00079-001)
- HP 14-inch display panel (FHD 400 nit) (N00081-001)
- HP 14-inch FHD display panel N00082-001 (N00082-001)
- HP FHD 250 nit touch display panel (N00080-001)
- HP 14-inch HD display panel N00083-001 (N00083-001)
- HP Display panel tape sold as its own spare N00350-001 (N00350-001)
- HP Ambient light sensor, not illustrated N00883-001 (N00883-001)
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-645-14-inch-g9-display-assembly-replacement-p64