HP EliteBook 755 G4 Notebook PC & HP EliteBook 745 G4 Notebook PC - Maintenance and Service Guide

WLAN/Bluetooth combo card
The computer uses a card that provides both WLAN and Bluetooth functionality.
The WLAN module and WWAN module are not interchangeable.
Description Spare part number
Realtek RTL8723BE-VB 802.11bgn solo-band 1x1 Wi-Fi Adapter + BT 4.0 combo adapter 843338-001
Intel Dual Band Wireless-AC 7265 802.11ac non-vPro 2x2 Wi-Fi Adapter + BT 4.2 combo adapter 860883-001
Intel Dual Band Wireless-AC 3168 802.11ac non-vPro 1x1 Wi-Fi Adapter + BT 4.2 combo adapter 863934-855
Before removing the WLAN module, follow these steps:
1. Shut down the computer. If you are unsure wfor computers with AMD processors (not available ihether
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 bottom cover (see Bottom cover on page 35).
5. Remove the battery (see Battery on page 40).
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 one Phillips PM2.5×3.0 screw (2) that secures the WLAN module to the computer. (The edge
of the module opposite the slot rises away from the computer.)
46 Chapter 5 Removal and replacement procedures for Customer Self-Repair parts