{
 "slug": "hp-probook-450-g4-fan-replacement-p70",
 "title": "How to do an HP ProBook 450 G4 fan replacement",
 "model": "hp-probook-450-g4",
 "model_name": "HP ProBook 450 G4",
 "component": "fan",
 "manufacturer": "HP",
 "url": "https://laptoppartfinder.com/guides/hp-probook-450-g4-fan-replacement-p70/",
 "api_url": "https://laptoppartfinder.com/api/guides/hp-probook-450-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 450 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 450 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- Screwdrivers and a non-marking pry tool as HP lists for this procedure\n- Static-safe work surface\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\nSave 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.\n\n1. Place the machine upright on a flat surface. (printed page 66).\n\n## replacement\n\n2. Detach the fan lead (1) from the main board. (printed page 70).\n3. Take the lead out of the clip at the side of the fan (2). (printed page 70).\n4. Undo the Phillips PM2.5×7.0 fastener (3) that holds the fan to the machine. (printed page 70).\n5. Lift the fan from the machine (4). (printed page 71).\n6. Fit the replacement part by working back through the printed removal steps (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"
}