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 G3. Confirm the exact model on the service label before starting.
HP ProBook 455 G3 Notebook PC top cover replacement. HP prints this procedure on printed page 48 of its maintenance and service guide, and the spare-part table for this part is on printed page 48.
tools and parts
- Screwdrivers and a non-marking pry tool as HP lists for this procedure
- Static-safe work surface
828402-001- Top cover (includes touchpad). Source: printed page 48.
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.
- Power the machine down. If you are unsure whether the machine is off or in Hibernation, turn the machine on, and after that shut it down through the operating system. (printed page 32).
- Detach every external device wired to the machine. (printed page 32).
- Cut the power by pulling the cord out of the wall outlet, and after that unplugging the AC adapter from the machine. (printed page 32).
replacement
- Take the following parts out: a. Battery (the Battery section is on page 32). b. Service doors (the Service doors section is on page 33). c. Optical drive (the Optical drive section is on page 35) d. Hard drive (the Hard drive section is on page 37) e. Keyboard (the Keyboard section is on page 43) (printed page 48).
- Place the machine upside-down with the front toward you. (printed page 49).
- Take the 2 rubber fastener covers on both sides of the battery (1) and the 3 rubber fastener covers along the bottom of the machine (2). (printed page 49).
- Take the 7 Phillips PM2.0×3.0 fasteners that hold the top cover to the machine. (printed page 49).
- Take the 11 Torx T8M2.5×6.0 fasteners that hold the top cover to the machine. (printed page 50).
- Place the machine upright and open it as far as possible. (printed page 50).
- Detach those leads from the main board: (1): Power button board lead (2): Card reader board lead (3): Fingerprint reader lead (4): Function board lead (printed page 50).
- Take the 8 Torx T8M2.5×6.0 fasteners from the top cover. (printed page 51).
- Pry the top cover off the machine starting at the top (1), and after that working around the right (2), lower (3), and left (4) sides. (printed page 51).
- Fit the replacement part by working back through the printed removal steps (printed page 51).
Parts this procedure uses
- HP Top cover (includes touchpad assembly) 828402-001 (828402-001)
Manufacturer manual
HP Maintenance and Service Guide (PDF, HP). Machine-readable copy: /api/guides/hp-probook-455-g3-top-cover-replacement-p48