HP ProBook 450 G3 Notebook PC - Maintenance and Service Guide

WLAN/Bluetooth combo card
The computer uses a card that provides both WLAN and Bluetooth functionality.
Description Spare part number
Realtek RTL8188EE 802.11b/g/n 1x1 Wi-Fi Adapter (Worldwide) 792609-001
Realtek RTL8723BE 802.11b/g/n 1x1 Wi-Fi + BT4.0 Combo Adapter (Worldwide) 792610-001
Realtek RTL8723BE bgn 1x1 + BT 4 LE PCIe+USB NGFF 2230 M.2 (Worldwide) 792611-001
Broadcom 943228 abgn 2x2 + BT 4 LE PCIe+USB NGFF 2230 MOW (Most of World) 797884-001
Before removing the WLAN module, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is o or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power from the computer by rst unplugging the power cord from the AC outlet, and
then unplugging the AC adapter from the computer.
4. Remove the battery (see Battery on page 34).
5. Remove the small service door (see Service doors on page 35).
Remove the WLAN module:
1. Disconnect the WLAN antenna cables (1) from the terminals on the WLAN module.
NOTE: The WLAN antenna cable labeled “1” connects to the WLAN module “Main” terminal labeled “1”.
The WLAN antenna cable labeled “2” connects to the WLAN module “Aux” terminal labeled “2”. If the
computer is equipped with an 802.11a/b/g/n WLAN module, the yellow WLAN antenna cable connects to
the middle terminal on the WLAN module.
2. Remove the Phillips PM2.0×4.0 screw (2) that secures the WLAN module to the computer. (The edge of
the module opposite the slot rises away from the computer.)
Component replacement procedures 43