Labels: DOCUMENTED = taken from HP's manual; PROPOSED = our own joining or ordering of HP's directions, not an HP instruction; UNPERFORMED = a suggested check that has not been carried out.
Applies to
HP ProBook 445 G9. Confirm the exact model on the service label before starting.
HP ProBook 445 14 inch G9 Notebook PC WLAN module replacement. HP prints this procedure on printed page 42 of its maintenance and service guide.
Tools and parts
- Screwdrivers and a non-marking pry tool as HP lists for this procedure
- Static-safe work surface
M85448-001- Qualcomm WCN6900 Wi-Fi 6E Bluetooth 5.2 WLAN. Source: printed page 42.M91238-001- Realtek 8852BE Wi-Fi 6 Bluetooth 5.2 WLAN authorized for use in the computer by the governmental agency that regulates wireless devices in your country or region. If you replace the module and then receive a warning message, remove the module to restore device functionality, and then contact technical support.. Source: printed page 42.
Preparation
Save 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.
Replacement
- Get the machine ready for taking apart (the Preparation for disassembly section is on page 38). (printed page 41).
- Take the bottom cover off (the Bottom cover section is on page 38). (printed page 41).
- Detach the battery lead from the main board (the Battery section is on page 48). (printed page 41).
- Take the plastic that covers the antennas. (printed page 42).
- Gently detach the two aerial leads from the unit (1). (printed page 42).
- Undo the Phillips M2.0 × 2.5 fastener (2), and after that take the WLAN module out (3). (printed page 43).
- When the WLAN aerial is not on the terminal of the WLAN module, fit a protective sleeve on the aerial connector, as shown in the following illustration. (printed page 43).
- Fit the replacement part by working back through the printed removal steps (printed page 43).
Part numbers in our catalog
- HP WLAN module (Realtek 8852BE Wi-Fi 6) (M91238-001)
- HP WWAN module (Intel XMM 7560 R + LTE-Advanced Pro, Cat 16) (M52040-001)
- HP WLAN module (Qualcomm WCN6856 Wi-Fi 6E) (M85448-001)
- HP WLAN module protective tape N02047-001 (N02047-001)
- HP Bluetooth travel mouse L62043-001 (L62043-001)
Check each part page for its source and variant notes before ordering.
Manufacturer manual
HP Maintenance and Service Guide (PDF, HP). Machine-readable copy: /api/guides/hp-probook-445-14-inch-g9-wlan-module-replacement-p42