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 840 G2. Confirm the exact model on the service label before starting.
HP EliteBook 840 G2 Notebook PC card reader board replacement. HP prints this procedure on printed page 86 of its maintenance and service guide, and the spare-part table for this part is on printed page 86.
tools and parts
- Flat-bladed drivers, Magnetic drivers and Phillips P0 and P1 drivers
- Static-safe work surface
784454-001- Card reader board (includes cable). Source: printed page 86.
preparation
HP prints its tools list and its handling and electrostatic-discharge cautions on printed page 51. Work on a grounded, static-safe surface, keep screws grouped by the position they came from, and handle boards and modules by their edges.
replacement
- Let go of ZIF connector to which card reader board wire is connected, and then disconnect card reader board cable off the card reader board. (printed page 86).
- Let go of the ZIF connector to which the TouchPad cable is connected (printed page 86).
- Use case utility tool or similar thin, plastic tool to disengage left side of card reader board it from top cover (3). (printed page 86).
- Take out the card reader board (4). (printed page 87).
- Put the card reader board back by repeating the printed removal moves in the opposite order (printed page 87).
Part numbers in our catalog
- HP Card reader board with cable 784454-001 (784454-001)
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-840-g2-card-reader-board-replacement-p86