Wlan/Bluetooth Combo Card - HP EliteBook 840r G4 Maintenance And Service Manual

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
Intel Dual Band Wireless-AC 8265 802.11ac 2x2 WiFi + Bluetooth 4.2 Combo Adapter (vPro)
Intel Dual Band Wireless-AC 8265 802.11ac 2x2 WiFi + Bluetooth 4.2 Combo Adapter (non-vPro)
Realtek RTL8822BE 802.11ac 2x2 Wi-Fi + Bluetooth 4.2 Combo Adapter
Before removing the WLAN module, follow these steps:
1. Shut down 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 all external devices connected to the computer.
3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet, and
then unplugging the AC adapter from the computer.
4. Remove the bottom cover (see
5. Remove the battery (see
Remove the WLAN module:
1. Disconnect the WLAN antenna cables (1) from the terminals on the WLAN module.
NOTE:
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 M2.5×3.0 screw (2) that secures the WLAN module to the computer. (The edge
of the module opposite the slot rises away from the computer.)
Bottom cover on page
Battery on page
The WLAN antenna cable labeled "1" connects to the WLAN module "Main" terminal labeled "1".
30).
33).
Component replacement procedures
Spare part number
851592-001
851594-001
915623-001
39