Source: steps rewritten in our own words (no more than 8 words in a row copied; part numbers, screw sizes and warnings kept as printed) from HP's Maintenance and Service Guide (PDF, printed pages 66–88). Not bench-tested. We have not performed this repair; keep HP's manual open for its illustrations. Scope restrictions below are part of the guide: do not apply it to other models, generations or configurations. Service manuals are written for trained technicians; work at your own risk.
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 455 G4. Confirm the exact model on the service label before starting.
HP ProBook 455 G4 Notebook PC display assembly replacement. HP prints this procedure on printed page 82 of its maintenance and service guide.
tools and parts
- Flat-bladed drivers, Phillips P0 and P1 drivers and Torx T8 drivers
- Static-safe work surface
- No spare part number for this component was found in the cached manual
907724-001- Display panel assembly, touch; models without WWAN components, see Display components on page 21.. Source: printed page 82.907725-001- Display panel assembly, touch; models with WWAN 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
HP prints its tools list and its handling and electrostatic-discharge cautions on printed page 27. Work on a grounded, static-safe surface, keep screws grouped by the position they came from, and handle boards and modules by their edges.
- Position the computer upright on a flat surface. (printed page 66).
replacement
- Detach the display cable from the system board (1). (printed page 82).
- Pull wireless antennas through the hole in the computer, as applicable to your model. (printed page 82).
- Lift conductive tape from atop the power connector lead 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 display assembly straight up and remove it (5). (printed page 83).
- Flex top of bezel, inside edges of the left and right sides, and then the bottom of the bezel until it disengages from the panel enclosure. (printed page 83).
- Take out the display bezel (4). (printed page 84).
- If it is necessary to replace webcam or microphone module, gently pull module away from double-sided tape on display enclosure (1), and then disconnect cable from the module (2). (printed page 85).
- If it is necessary to remove or replace display panel, remove 4 Phillips PM2.0×3.0 screws that hold the display panel to the enclosure. (printed page 85).
- Rotate the display panel onto the keyboard to gain access to the display lead connection on the back of the panel. (printed page 85).
- On back of display panel, release the adhesive strip that holds the display panel cable to the display panel, and then disconnect the cable (2). (printed page 86).
- Take out the display panel from the display enclosure (3). (printed page 86).
- If it is necessary to remove or replace hinge covers, remove 2 Phillips PM2.0×3.0 screws that hold the hinge covers to the display enclosure. (printed page 86).
- Take out the hinge covers from the display hinges (2). (printed page 87).
- If it is necessary to remove or replace display hinges, remove 6 Phillips PM2.5×2.5 screws that hold both display hinges to the display enclosure. (printed page 87).
- Take out the display hinges from the display enclosure (2). (printed page 87).
- If it is necessary to replace display/webcam cable, remove webcam cable from clips in display enclosure (1), and clips at bottom of the display enclosure (2). (printed page 87).
- Lift the cable off the display enclosure (3). (printed page 88).
- Put the display assembly back by repeating the printed removal moves in the opposite order (printed page 88).
Part numbers in our catalog
- HP 15.6-inch FHD display panel (raw) (809001-003)
- HP 15.6-inch HD display panel (raw) (860030-002)
- 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 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-455-g4-display-assembly-replacement-p82