Reverse this procedure to install the hard drive.

WLAN module

Description

Spare part number

 

 

Mediatek MT7630E 802.11bgn Wi-Fi Adapter and Mediatek Bluetooth 4.0 Adapter for use only

710418-001

on computer models equipped with an AMD processor

 

 

 

Atheros AR9485 802.11b/g/n WiFi Adapter for use on all computer models

675794-001

 

 

Ralink RT3290LE 802.11b/g/n 1×1 WiFi and Bluetooth 4.0 Combo Adapter for use on all

690020-001

computer models

 

 

 

Realtek RTL8188EE 802.11bgn Wi-Fi Adapter for use on all computer models

709848-001

 

 

Intel Centrino Wireless-N 2230 Combo Adapter for use only on computer models equipped with

670290-001

an Intel processor

 

 

 

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 46).

5.Remove the service cover (see Optical drive on page 47).

Component replacement procedures

51