{
 "slug": "hp-elitebook-840-g3-touchpad-button-board-replacement-p66",
 "title": "How to do an HP EliteBook 840 G3 touchpad button board replacement",
 "model": "hp-elitebook-840-g3",
 "model_name": "HP EliteBook 840 G3",
 "component": "touchpad button board",
 "manufacturer": "HP",
 "url": "https://laptoppartfinder.com/guides/hp-elitebook-840-g3-touchpad-button-board-replacement-p66/",
 "api_url": "https://laptoppartfinder.com/api/guides/hp-elitebook-840-g3-touchpad-button-board-replacement-p66",
 "source_url": "https://h10032.www1.hp.com/ctg/Manual/c04887250.pdf",
 "source_title": "HP Maintenance and Service Guide",
 "pages": "printed pages 66–67",
 "service_classification": null,
 "bench_tested": false,
 "markdown": "# HP EliteBook 840 G3 touchpad button board replacement\n\nSource: https://h10032.www1.hp.com/ctg/Manual/c04887250.pdf (printed pages 66–67). OEM-documented procedure; not bench-tested.\n\nHP EliteBook 840 G3 Notebook PC touchpad button board replacement. HP prints this procedure on printed page 66 of its maintenance and service guide, and the spare-part table for this part is on printed page 66.\n\n## tools and parts\n\n- Phillips P0 drivers\n- Static-safe work surface\n- `821171-001` - Touchpad button board for HP EliteBook 848 and HP EliteBook 840. Source: printed page 66.\n- `821172-001` - Touchpad button board w/NFC antenna (not for HP ZBook 15u). Source: printed page 66.\n- `836620-001` - Touchpad button board for HP EliteBook 850. Source: printed page 66.\n- `821153-001` - Touchpad button board for HP ZBook 15u. Source: printed page 66.\n- `821154-001` - Touchpad button board w/NFC antenna for HP ZBook 15u. Source: printed page 66.\n\n## preparation\n\nHP prints its tools list and its handling and electrostatic-discharge cautions on printed page 30. Work on a grounded, static-safe surface, keep screws grouped by the position they came from, and handle boards and modules by their edges.\n\n## replacement\n\n1. Detach cable from touchpad to smart card reader board (1), and then disconnect NFC antenna from the NFC module (2). (printed page 66).\n2. Lift the tape, and then remove the 2 Phillips PM2.5x2.5 screws that hold the touchpad button board to the top cover. (printed page 66).\n3. Lift top of the touchpad button board up (printed page 67).\n4. Put the touchpad button board back by repeating the printed removal moves in the opposite order (printed page 67).\n",
 "outcome": "found",
 "data_revision": "93b6f8041cad",
 "license": "Free to use with attribution: credit \"Laptop Part Finder\" and link to https://laptoppartfinder.com (or the page you used). Please do not republish or mirror the dataset in bulk without permission.",
 "attribution": "Laptop Part Finder (https://laptoppartfinder.com)",
 "terms_url": "https://laptoppartfinder.com/terms/#data-license"
}