HP EliteBook 845 Maintenance And Service Manual page 54

Table 5-6 WLAN module descriptions and part numbers
Description
Qualcomm Fast Connect 6900 Wi-Fi 6E + Bluetooth 5.2 M.2 2230 160 MHz PCI-e + USB worldwide (WW) WLAN
module
Realtek 8852BE Wi-Fi 6 + Bluetooth 5.2 M.2 2230 PCI-e + USB WW WLAN module
IMPORTANT:
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.
Before removing the WLAN module, follow these steps:
1. Prepare the computer for disassembly (see
2. Remove the bottom cover (see
3. Disconnect the battery cable from the system board (see
Remove the WLAN module:
1. Carefully disconnect the WLAN antenna cables (1) from the WLAN module.
NOTE:
white WLAN antenna cable connects to the WLAN module #1 Main terminal. The #2 black WLAN antenna
cable connects to the WLAN module #1 Aux terminal.
2. Remove the Phillips M2.0 × 2.5 screw (2) that secures the WLAN module to the system board.
3. Remove the WLAN module (3) by pulling it away from the socket at an angle.
48 Chapter 5 Removal and replacement procedures for authorized service provider parts
To prevent an unresponsive system, replace the wireless module only with a wireless module
Bottom cover on page
Computer models have either one or two WLAN antennas. On models with two antennas, the #1
Preparation for disassembly on page
39).
Battery on page
Spare part number
M85448-001
M91238-001
39).
41).