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 440 G6. Confirm the exact model on the service label before starting.
HP ProBook 440 G6 Notebook PC card reader board replacement. HP prints this procedure on printed page 58 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
L44579-001- Card reader board assembly (includes cable). Source: printed page 58.
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.
Replacement
- Take out the two Phillips M2.0×2.0 screws that hold the card reader board to the computer. (printed page 58).
- Lift the board up so you can entry the connectors underneath (2). (printed page 58).
- Detach the card reader board cable off the card reader board ZIF connector (1). (printed page 58).
- Detach the RTC battery from carefully the card reader board (2). (printed page 58).
- Lift the card reader board carefully out of the computer (3). (printed page 59).
- Fit the replacement part by working back through the printed removal steps (printed page 59).
Parts this procedure uses
- HP I/O board L44579-001 (L44579-001)
Part numbers in our catalog
- HP I/O board L44578-001 (L44578-001)
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-440-g6-card-reader-board-replacement-p58