{
 "slug": "hp-probook-450-g4-usb-audio-board-replacement-p68",
 "title": "How to do an HP ProBook 450 G4 USB/audio board replacement",
 "model": "hp-probook-450-g4",
 "model_name": "HP ProBook 450 G4",
 "component": "USB/audio board",
 "manufacturer": "HP",
 "url": "https://laptoppartfinder.com/guides/hp-probook-450-g4-usb-audio-board-replacement-p68/",
 "api_url": "https://laptoppartfinder.com/api/guides/hp-probook-450-g4-usb-audio-board-replacement-p68",
 "source_url": "https://h10032.www1.hp.com/ctg/Manual/c05270979.pdf",
 "source_title": "HP Maintenance and Service Guide",
 "pages": "printed pages 33–69",
 "service_classification": null,
 "bench_tested": false,
 "markdown": "# HP ProBook 450 G4 USB/audio board replacement\n\nSource: https://h10032.www1.hp.com/ctg/Manual/c05270979.pdf (printed pages 33–69). OEM-documented procedure; not bench-tested.\n\nHP ProBook 450 G4 Notebook PC USB/audio board replacement. HP prints this procedure on printed page 68 of its maintenance and service guide, and the spare-part table for this part is on printed page 68.\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- `905755-001` - USB/audio board. Source: printed page 68.\n- `905769-001` - USB/audio board cable (included in Cable Kit). Source: printed page 68.\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 33).\n2. Place the machine upright on a flat surface. (printed page 66).\n\n## replacement\n\n3. Detach every external device wired to the machine. (printed page 68).\n4. Cut the power by pulling the cord out of the wall outlet, and after that unplugging the AC adapter from the machine. (printed page 68).\n5. Take the following parts out: a. Service door (the Service door section is on page 33). b. Optical drive (the Optical drive section is on page 34) c. Hard drive (the Hard drive section is on page 36) d. Keyboard (the Keyboard section is on page 45) e. Top cover (the Top cover section is on page 52) f. Battery (the Battery section is on page 66) (printed page 68).\n6. Detach the lead from the board (1). (printed page 68).\n7. Undo the Phillips PM2.5×6.0 fastener (2) that holds the board to the machine. (printed page 68).\n8. Lift the board out of the machine (3). (printed page 69).\n9. Fit the replacement part by working back through the printed removal steps (printed page 69).\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"
}