HP EliteBook 850 G2 Notebook PC HP EliteBook 750 G2 Notebook PC HP ZBook 15u G2 Mobile Workstation - Maintenance and Service Guide

WLAN module
Description Spare part number
Intel 7265 NGWGQ.I ac 2×2 + Bluetooth 4.0 LE PCIe+USB NGFF 2230 for use in Asia Pacific countries
and regions
783721-001
Intel Dual Band Wireless-AC 3160 802.11 ac 1×1 WiFi + Bluetooth 4.0 Combo Adapter 784644-001
Intel Dual Band Wireless-N 7265AN 802.11 a/b/g/n 2×2 WiFi + Bluetooth 4.0 Combo Adapter 756748-001
Intel Dual Band Wireless-N 7265AN 802.11 b/g/n 2×2 WiFi + Bluetooth 4.0 Combo Adapter 756749-001
CAUTION: To prevent an unresponsive system, replace the wireless module only with a wireless module
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. 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 47).
5. Remove the battery (see Battery on page 49).
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 Phillips PM2.0×3.0 screws (2) that secure the WLAN module to the base enclosure. (The
WLAN module tilts up.)
56 Chapter 5 Removal and replacement procedures for Customer Self-Repair parts ENWW