{
 "slug": "hp-probook-455-g4-fan-replacement-p70",
 "title": "How to do an HP ProBook 455 G4 fan replacement",
 "model": "hp-probook-455-g4",
 "model_name": "HP ProBook 455 G4",
 "component": "fan",
 "manufacturer": "HP",
 "url": "https://laptoppartfinder.com/guides/hp-probook-455-g4-fan-replacement-p70/",
 "api_url": "https://laptoppartfinder.com/api/guides/hp-probook-455-g4-fan-replacement-p70",
 "source_url": "https://h10032.www1.hp.com/ctg/Manual/c05270979.pdf",
 "source_title": "HP Maintenance and Service Guide",
 "pages": "printed pages 66–71",
 "service_classification": null,
 "bench_tested": false,
 "markdown": "# HP ProBook 455 G4 fan replacement\n\nSource: https://h10032.www1.hp.com/ctg/Manual/c05270979.pdf (printed pages 66–71). OEM-documented procedure; not bench-tested.\n\nHP ProBook 455 G4 Notebook PC fan replacement. HP prints this procedure on printed page 70 of its maintenance and service guide.\n\n## tools and parts\n\n- Flat-bladed drivers, Phillips P0 and P1 drivers and Torx T8 drivers\n- Static-safe work surface\n- No spare part number for this component was found in the cached manual\n- `905774-001` - Fan computer. The computer uses an electric fan for ventilation. The fan is controlled by a temperature sensor and is designed to turn on automatically when high temperature conditions exist. These conditions are affected by high external temperatures, system power consumption, power management/battery conservation configurations, battery fast charging, and software requirements. Exhaust air is displaced through the ventilation grill located on the left side of the computer.. Source: printed page 70.\n\n## preparation\n\nHP prints its tools list and its handling and electrostatic-discharge cautions on printed page 27. 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\n1. Position the computer upright on a flat surface. (printed page 66).\n\n## replacement\n\n2. Detach the fan cable from the system board. (printed page 70).\n3. Lift the cable off the clip on the side of the fan. (printed page 70).\n4. Take out the Phillips PM2.5×7.0 screw that holds the fan to the computer. (printed page 70).\n5. Lift the fan from the computer (4). (printed page 71).\n6. Put the fan back by repeating the printed removal moves in the opposite order (printed page 71).\n\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"
}