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WLAN module
Description
Spare part number
Atheros AR9485 802.11b g n WiFi Adapter
675794-001
Broadcom BCM943228HMB 802.11abgn 2×2 Wi-Fi Adapter, Broadcom Bluetooth 4.0 Adapter
730668-001
Realtek RT8723BE 802.11bgn 1×1 WiFi + Bluetooth 4.0 Combo Adapter
753077-001
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 battery (see
Battery on page 29
).
5.
Remove the service cover (see
Service cover on page 30
).
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 screw (2) that secures the WLAN module to the system board. (The
WLAN module tilts up.)
34
Chapter 5 Removal and replacement procedures for Customer Self-Repair parts