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 79). 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 EliteBook 645 G11. Confirm the exact model on the service label before starting.
HP EliteBook 645 G11 i/o board replacement. HP prints this procedure on printed page 79 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
N95961-001- I/O board for use in models without a Ryzen PRO processor with only WLAN. Source: printed page 79.N95962-001- I/O board for use in models without a Ryzen PRO processor with WLAN and WWAN. Source: printed page 79.P07357-001- I/O board for use in models with a Ryzen PRO processor with only WLAN. Source: printed page 79.P07358-001- I/O board for use in models with a Ryzen PRO processor with WLAN and WWAN. Source: printed page 79.N98721-001- I/O board cables (included in Cable Kit). Source: printed page 79.N96450-001- RJ-45 (network) jack door, plastic. Source: printed page 79.N96449-001- RJ-45 (network) jack door, metal. Source: printed page 79.
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
- Shut down the computer and unplug the power cord. (printed page 79).
- Disconnect the i/o board cables and take out its screws. (printed page 79).
- Lift the i/o board straight up and set it aside. (printed page 79).
Parts this procedure uses
- HP touchpad cable; I/O board cables N98721-001 (N98721-001)
- HP RJ-45 network jack door for plastic models N96450-001 (N96450-001)
- HP RJ45 Ethernet port N96449-001 (N96449-001)
Part numbers in our catalog
- HP I/O board N95961-001 (N95961-001)
- HP I/O board N95962-001 (N95962-001)
- HP I/O board P07357-001 (P07357-001)
- HP I/O board P07358-001 (P07358-001)
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-elitebook-645-g11-i-o-board-replacement-p79