{
 "slug": "hp-probook-455-g3-heat-sink-assembly-replacement-p72",
 "title": "How to do an HP ProBook 455 G3 heat sink assembly replacement",
 "model": "hp-probook-455-g3",
 "model_name": "HP ProBook 455 G3",
 "component": "heat sink assembly",
 "manufacturer": "HP",
 "url": "https://laptoppartfinder.com/guides/hp-probook-455-g3-heat-sink-assembly-replacement-p72/",
 "api_url": "https://laptoppartfinder.com/api/guides/hp-probook-455-g3-heat-sink-assembly-replacement-p72",
 "source_url": "https://h10032.www1.hp.com/ctg/Manual/c04825528.pdf",
 "source_title": "HP Maintenance and Service Guide",
 "pages": "printed pages 32–74",
 "service_classification": null,
 "bench_tested": false,
 "markdown": "# HP ProBook 455 G3 heat sink assembly replacement\n\nSource: https://h10032.www1.hp.com/ctg/Manual/c04825528.pdf (printed pages 32–74). OEM-documented procedure; not bench-tested.\n\nHP ProBook 455 G3 Notebook PC heat sink assembly replacement. HP prints this procedure on printed page 72 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- `828409-001` - Heat sink for use in models with discrete graphics. Source: printed page 72.\n- `830933-001` - Heat sink for use in models with UMA graphics. Source: printed page 72.\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. Power the machine down. If you are unsure whether the machine is off or in Hibernation, turn the machine on, and after that shut it down through the operating system. (printed page 32).\n2. Detach every external device wired to the machine. (printed page 32).\n3. Cut the power by pulling the cord out of the wall outlet, and after that unplugging the AC adapter from the machine. (printed page 32).\n4. Take the battery out (the Battery section is on page 32). (printed page 33).\n\n## replacement\n\n5. Take the following parts out: a. Service doors (the Service doors section is on page 33). b. Optical drive (the Optical drive section is on page 35) c. Hard drive (the Hard drive section is on page 37) d. WLAN module (the WLAN/Bluetooth combo card section is on page 41) e. Keyboard (the Keyboard section is on page 43) f. Top cover (the Top cover section is on page 48) g. Main board (the main board section is on page 66) (printed page 72).\n6. Place the main board upside-down. (printed page 72).\n7. Models are available using either UMA or discrete graphics. The heat sink at discrete models includes 2 additional fasteners. Refer to the steps below that match your model: Discrete models: a. To take the discrete heat sink assembly, inside the order indicated on the heat sink, back off the 6 captive Phillips fasteners (1)–(6) that hold the heat sink to the main board. (printed page 72).\n8. Fit the replacement part by working back through the printed removal steps (printed page 74).\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"
}