{
 "slug": "hp-probook-450-g4-wlan-module-replacement-p40",
 "title": "How to do an HP ProBook 450 G4 WLAN module replacement",
 "model": "hp-probook-450-g4",
 "model_name": "HP ProBook 450 G4",
 "component": "WLAN module",
 "manufacturer": "HP",
 "url": "https://laptoppartfinder.com/guides/hp-probook-450-g4-wlan-module-replacement-p40/",
 "api_url": "https://laptoppartfinder.com/api/guides/hp-probook-450-g4-wlan-module-replacement-p40",
 "source_url": "https://h10032.www1.hp.com/ctg/Manual/c05270979.pdf",
 "source_title": "HP Maintenance and Service Guide",
 "pages": "printed pages 33–41",
 "service_classification": null,
 "bench_tested": false,
 "markdown": "# HP ProBook 450 G4 WLAN module replacement\n\nSource: https://h10032.www1.hp.com/ctg/Manual/c05270979.pdf (printed pages 33–41). OEM-documented procedure; not bench-tested.\n\nHP ProBook 450 G4 Notebook PC WLAN module replacement. HP prints this procedure on printed page 40 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- `843338-001` - Realtek RTL8723BE-VB 802.11b/g/n 1x1 Wi-Fi + Bluetooth 4.0 combination WLAN adapter. Source: printed page 40.\n- `860883-001` - Intel Dual Band Wireless-AC 7265NV (non v-Pro) 802.11 ac 2×2 WiFi + Bluetooth 4.2 Combo Adapter. Source: printed page 40.\n- `852511-001` - Intel Dual Band Wireless-AC 3168 802.11ac, Dual Band, 1×1 Wi-Fi + Bluetooth 4.0. Source: printed page 40.\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 in “Battery Safe mode” (the Battery Safe mode section is on page 32). (printed page 33).\n3. Detach every external device wired to the machine. (printed page 33).\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 33).\n5. Take the service door (the Service door section is on page 33). (printed page 34).\n\n## replacement\n\n6. Detach the WLAN aerial leads (1) from the contacts on the WLAN module. (printed page 40).\n7. Undo the Phillips PM2.0×4.0 fastener (2) that holds the WLAN module to the machine. (The edge of the unit opposite the slot rises away from the machine.) (printed page 40).\n8. Take the WLAN module (3) by pulling the unit out of its slot at an angle. (printed page 41).\n9. Fit the replacement part by working back through the printed removal steps (printed page 41).\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"
}