HP EliteBook 725 G2 Notebook PC Maintenance and Service Guide

WLAN module
Description Spare part number
Atheros AR9485 802.11 b/g/n WiFi Adapter 675794-001
Broadcom BCM943228HMB 802.11 abgn 2×2 Wi-Fi Adapter Broadcom Bluetooth 4.0 Adapter 730668-001
Broadcom BCM4352 802.11 ac 2×2 Wi-Fi + Bluetooth 4.0 Combo Adapter 724935-001
Before removing the WLAN module, follow these steps:
1. Turn off the computer. If you are unsure whether the computer is off or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2. Disconnect the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the service cover (see Service cover on page 38).
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”.
2. Remove the two Phillips PM2.0×2.5 screws (2) that secure the WLAN module to the system board. (The
WLAN module tilts up.)
Component replacement procedures 49