System information

Description Spare part number

Intel Centrino Advanced-N 6230 631956-001

Intel Centrino Wireless-N 1000 802.11b/g/n 1×2 WLAN module 593530-001

Intel Centrino Wireless-N + WiMAX 6150 633817-001

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. 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 battery (see

Battery on page 52).

5. Remove the service cover (see

Optical drive on page 53).

Remove the WLAN module:

Disconnect the WLAN antenna cables from the terminals on the WLAN module.

NOTE: The #1 WLAN antenna cable is connected to the WLAN module Main terminal. The #2

WLAN antenna cable is connected to the WLAN module Aux terminal.

Component replacement procedures