WLAN module
Description Spare part number
Realtek RT8723BE 802.11bgn 1x1 Wi-Fi + BT4.0 Combo Adapter 753077-001
Realtek RTL8188EE 802.11 bgn Wi-Fi adapter 709848-001
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 battery (see Battery on page 25).
5. Remove the service cover (see Service cover on page 26).
Remove the WLAN module:
1. Disconnect the WLAN antenna cable (1) from the terminal on the WLAN module.
NOTE: The #1 WLAN antenna cable is connected to the WLAN module “Main” terminal.
2. Remove the Phillips PM2.0×2.5 screw (2) that secures the WLAN module to the system board. (The
WLAN module tilts up.)
28 Chapter 5 Removal and replacement procedures for Customer Self-Repair parts
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