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 power cable replacement. HP prints this procedure on printed page 89 of its maintenance and service guide, and the spare-part table for this part is on printed page 89.
tools and parts
- Screwdrivers and a non-marking pry tool as HP lists for this procedure
- Static-safe work surface
828949-007- Power connector and cable. Source: printed page 89.914604-001- Conductive fabric (for use with the power connector cable). Source: printed page 89.
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 33).
- Detach every external device wired to the machine. (printed page 68).
- Cut the power by pulling the cord out of the wall outlet, and after that unplugging the AC adapter from the machine. (printed page 68).
replacement
- Take the following parts out: a. Service door (the Service door section is on page 33). b. Optical drive (the Optical drive section is on page 34) c. WLAN module (the WLAN/Bluetooth combo card section is on page 40) d. WWAN module (the WWAN module section is on page 42) e. Hard drive (the Hard drive section is on page 36) f. Keyboard (the Keyboard section is on page 45) g. Top cover (the Top cover section is on page 52) h. Battery (the Battery section is on page 66) i. Display assembly (the screen assembly section is on page 82) (printed page 89).
- Take the lead from the clips in the machine (1). (printed page 89).
- Take the power lead from the machine (2). (printed page 90).
- Fit the replacement part by working back through the printed removal steps (printed page 90).
Parts this procedure uses
Part numbers in our catalog
- HP power connector cable (828949-007)
- HP cable kit (USB board, TouchPad, power button board, optical drive, function board cables) (906000-001)
- HP Optical drive cable and connector 905769-001 (905769-001)
- HP HP Ultraslim Keyed Cable Lock 703372-001 (703372-001)
- HP USB 3.0 A-to-B cable, 0.5 m, for the docking station 690652-001 (690652-001)
- HP Cable 905776-001 (905776-001)
- HP Cable 840158-001 (840158-001)
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-power-cable-replacement-p89