HP EliteBook 820 G1, HP EliteBook 725 G2, & EliteBook 720 G1 Notebook PCs - Maintenance and Service Guide

WLAN module
Description Spare part number
For use only on computer models equipped with an AMD processor:
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
For use only on computer models equipped with an Intel processor:
Broadcom BCM943228HMB 802.11 a/b/g/n 2×2 Wi-Fi + Bluetooth 4.0 Combo Adapter 697316-001
Intel Dual Band Wireless-AC 7260 802.11 ac 2×2 WiFi + Bluetooth 4.0 WLAN module 710661-001
Intel Dual Band Wireless-N 7260AN 802.11 a/b/g/n 2×2 WiFi + Bluetooth 4.0 Combo Adapter 717381-001
Intel Dual Band Wireless-N 7260AN 802.11 a/b/g/n 2×2 WiFi + Bluetooth 4.0 Combo Adapter 747832-001
Intel Dual Band Wireless-N 7260NB 802.11 a/b/g/n 2×2 WiFi Adapter 717382-001
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 67).
5. Remove the battery (see
Battery on page 69).
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.)
78 Chapter 5 Removal and replacement procedures for Customer Self-Repair parts