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 ProBook 450 G4. Confirm the exact model on the service label before starting.
HP ProBook 450 G4 Notebook PC display assembly replacement. HP prints this procedure on printed page 82 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
907724-001- . Source: printed page 82.907725-001- Display panel assembly, touch; models with WWAN This section describes removing components that require you to completely remove the display panel. For more information about removing display components that do not require that you remove the assembly from the computer, see Display subcomponents (bezel, webcam, panel) on page 48. Source: printed page 82.
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.
- Position the computer upright on a flat surface. (printed page 66).
replacement
- Detach the display cable from the system board (1). (printed page 82).
- draw the wireless antennas through the hole in the machine (2), as applicable to your model. (printed page 82).
- Lift the conductive tape from atop the power header cable and display hinge (3). (printed page 82).
- Take out the 4 Phillips PM2.5×7.0 screws from the display hinges. (printed page 82).
- Lift the display assembly straight up (printed page 83).
- Flex the top of the bezel (printed page 83).
- Take out the display bezel (4). (printed page 84).
- If it is needed to substitute the webcam or microphone module, gently pull the unit away from the double-sided tape on the screen enclosure (1), and after that detach the lead from the unit (2). (printed page 85).
- If it is necessary to take or replace the screen panel, take the 4 Phillips PM2.0×3.0 fasteners (1) that hold the screen panel to the enclosure. (printed page 85).
- Rotate the display panel onto the keyboard to gain access to the display lead connection on the (printed page 85).
- On the back of the display panel (printed page 86).
- Take out the display panel from the display enclosure (3). (printed page 86).
- If it is necessary to take or replace the hinge covers, take the 2 Phillips PM2.0×3.0 fasteners (1) that hold the hinge covers to the screen enclosure. (printed page 86).
- Take out the hinge covers from the display hinges (2). (printed page 87).
- If it is necessary to take or replace the screen hinges, take the 6 Phillips PM2.5×2.5 fasteners (1) that hold both display hinges to the screen enclosure. (printed page 87).
- Take out the display hinges from the display enclosure (2). (printed page 87).
- If it is necessary to replace the screen/webcam lead, take the webcam lead from the clips in the screen enclosure (1), as well as the clips at the bottom of the screen enclosure (2). (printed page 87).
- Lift the cable off the display enclosure (3). (printed page 88).
- Fit the replacement part by working back through the printed removal steps (printed page 88).
Part numbers in our catalog
- HP 15.6-inch touch display panel assembly (models without WWAN) (907724-001)
- HP 15.6-inch touch display panel assembly (models with WWAN) (907725-001)
- HP 15.6-inch FHD display panel (raw) (809001-003)
- HP 15.6-inch HD display panel (raw) (860030-002)
- HP Models with a DVD+/-RW Double-Layer SuperMulti drive 905767-001 (905767-001)
- HP Display rear cover (includes wireless antennas), Plastics Ki 905770-001 (905770-001)
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-probook-450-g4-display-assembly-replacement-p82