WLAN module
Description Spare part number
Atheros WB225 1×1 802.11b/g/n Bluetooth Combo Adapter 675794-001
Broadcom 43228 802.11abgn 2×2 Wi-Fi Adapter 669832-001
Intel Centrino Advanced-N 6205 WLAN module 695915-001
Intel Centrino Ultimate-N 6300 WLAN module 572511-001
Intel Centrino Wireless-N 2200 802.11b/g/n 2×2 WiFi Adapter 670288-001
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 68).
5. Remove the service cover (see
Service cover on page 70).
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”. 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 two Phillips PM2.0×3.0 screws (2) that secure the WLAN module to the
base enclosure. (The WLAN module tilts up.)
82 Chapter 4 Removal and replacement procedures
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General
Weight and Dimensions
