{
 "slug": "hp-probook-455-g8-i-o-board-replacement-p40",
 "title": "How to do an HP ProBook 455 G8 I/O board replacement",
 "model": "hp-probook-455-g8",
 "model_name": "HP ProBook 455 G8",
 "component": "I/O board",
 "manufacturer": "HP",
 "url": "https://laptoppartfinder.com/guides/hp-probook-455-g8-i-o-board-replacement-p40/",
 "api_url": "https://laptoppartfinder.com/api/guides/hp-probook-455-g8-i-o-board-replacement-p40",
 "source_url": "https://kaas.hpcloud.hp.com/pdf-public/pdf_12607734_en-US-1.pdf",
 "source_title": "HP Maintenance and Service Guide",
 "pages": "printed pages 34–40",
 "service_classification": null,
 "bench_tested": false,
 "markdown": "# HP ProBook 455 G8 I/O board replacement\n\nSource: https://kaas.hpcloud.hp.com/pdf-public/pdf_12607734_en-US-1.pdf (printed pages 34–40). OEM-documented procedure; not bench-tested.\n\nHP ProBook 455 G8 Notebook PC I/O board replacement. HP prints this procedure on printed page 40 of its maintenance and service guide, and the spare-part table for this part is on printed page 19.\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- `M21712-001` - I/O board. Source: printed page 39.\n- `M21713-001` - I/O board cables (included in Cable Kit). Source: printed page 39.\n- `M21994-001` - RJ-45 door. Source: printed page 39.\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\n## Replacement\n\n1. Get the machine ready for taking apart (the Preparation for disassembly section is on page 32). (printed page 34).\n2. Take the bottom cover off (the Bottom cover section is on page 32). (printed page 34).\n3. Detach the battery lead from the main board (the Battery section is on page 33). (printed page 35).\n4. Detach the lead from the wider ZIF connector (1) and the narrower one (2) on the I/O board. (printed page 40).\n5. Take the three Phillips M2.0 × 4.0 fasteners (3) that hold the board to the machine, and after that take the network jack door from the board (4). (printed page 40).\n6. Take the board from the machine (5). (printed page 40).\n7. Fit the replacement part by working back through the printed removal steps (printed page 40).\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"
}