5. Remove the system board (2) by sliding it up and to the left at an angle.
Reverse this procedure to install the system board.
WLAN module
Description Spare part number
For for use only on computer models with model numbers m3-u100 through m3-u199 and m13-u100 through m13-u199:
Intel Dual Band Wireless-AC 7265 802.11 ac 2×2 WiFi + Bluetooth 4.0 Combo Adapter (for use only in North
America and Europe)
793840-005
Intel Dual Band Wireless-AC 3165 802.11 ac 1×1 WiFi + Bluetooth 4.2 Combo Adapter (non vPRO) 863934-855
For use on all computer models:
Intel Dual Band Wireless-AC 3165 802.11 ac 1×1 + Bluetooth 4.2 LE Combo Adapter 806723-005
Realtek RTL8723BE 802.11b/g/n 1×1 Wi-Fi + Bluetooth 4.0 Combo Adapter 855106-855
Before removing the WLAN module, follow these steps:
1. Shut down the computer.
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 keyboard/top cover (see Keyboard/top cover on page 34), and then remove
the following components:
54 Chapter 5 Removal and replacement procedures for authorized service provider parts
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