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 G9. Confirm the exact model on the service label before starting.
HP ProBook 455 G9 power connector cable replacement. HP prints this procedure on printed page 57 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
M21725-001- Power connector cable. Source: printed page 57.
Preparation
Save your work, shut the computer down through the operating system, unplug AC power and every external device, and work on a grounded, static-safe surface.
Replacement
- Prepare the computer for disassembly and remove the bottom cover. (printed page 57).
- Unplug the battery cable from the system board. (printed page 57).
- Release the power connector cable from its socket and take it out of the computer. (printed page 57).
Part numbers in our catalog
- HP DC-in connector M21725-001 (M21725-001)
- HP cable N01915-001 (N01915-001)
- HP cable N03218-001 (N03218-001)
- HP WLAN antennas and cables N01921-001 (N01921-001)
- HP Sure Key cable lock L65088-001 (L65088-001)
- HP Thunderbolt 120 W G4 dock with cable M97105-001 (M97105-001)
- HP Thunderbolt 280 W G4 dock with cable M97106-001 (M97106-001)
- HP USB-C dock with cable L64086-001 (L64086-001)
- HP USB-C/A universal dock with cable L64087-001 (L64087-001)
- HP Cable kit for a 120W docking station L15812-002 (L15812-002)
- HP Cable kit for the Thunderbolt 120 W G4 dock M88058-001 (M88058-001)
- HP Cable kit for the Thunderbolt 280 W G4 dock M88059-001 (M88059-001)
- HP Premium duckhead C5 mains cord, 1.0 m, Thailand M85416-001 (M85416-001)
- HP Premium duckhead C5 mains cord, 1.0 m, People's Republic of L36823-001 (L36823-001)
- HP Premium duckhead C5 mains cord, 1.0 m, South Africa L36824-001 (L36824-001)
- HP Premium duckhead C5 mains cord, 1.0 m, United Kingdom L36828-001 (L36828-001)
- HP C5 duckhead mains cord, South Korea L50816-001 (L50816-001)
- HP C5 duckhead mains cord, Europe 854703-001 (854703-001)
- HP C5NS duckhead mains cord, South Korea L50818-001 (L50818-001)
- HP C5NS duckhead mains cord, North America L50818-002 (L50818-002)
- HP Fingerprint reader bracket (Bracket Kit) N01916-001 (N01916-001)
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-g9-power-connector-cable-replacement-p57