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# Turn WiFi Radio On or Off

To switch the wireless radio on or off, use one of the following methods:

- The optional hardware radio switch on your computer
- Intel(R) PROSet/Wireless WiFi Connection Utility
- Microsoft Windows

> NOTE: When your computer is switched on, the radio is constantly transmitting signals. In certain situations, as in an airplane, signals from the radio may cause interference. Use the following methods if you need to turn off the radio and use your notebook without emitting radio signals.

### Use the Optional Computer Radio on or off Switch

If your computer has an external switch installed, use it to switch the radio on or off. See the computer manufacturer's documentation for more information about this switch. If you have Intel PROSet/Wireless WiFi software installed, the current state of the radio displays in the WiFi connection utility main window and on the Taskbar.

### Use Intel PROSet/Wireless WiFi Connection Utility to Switch the Radio on or off

From Intel PROSet/Wireless WiFi software, the radio can be switched on or off. The status icon on Intel PROSet/Wireless WiFi Connection Utility displays the current state of the radio.

From the Intel PROSet/Wireless WiFi Connection Utility main window, click WiFi On / WiFi Off to toggle the radio on or off.

### Switch the radio on or off from the Taskbar Icon

To switch the radio on or off, click the Taskbar icon and select WiFi On / WiFi Off.

### Use Windows to turn on or off the Radio

The radio can be turned off using Windows.

> NOTE: If you turned off the radio from Microsoft Windows, then you must use Microsoft Windows to turn the radio on. You cannot use a hardware switch or the WiFi connection utility to enable the radio if the radio has been turned off using Windows.

#### Windows XP

1. At the Start Menu, click Connect to. Right click Wireless Network Connection and select Disable.
2. Or if you have more than one WiFi adapter, at the Start Menu, click Connect to > Show all connections. Right click the desired adapter and select Disable.

You can use the same method to turn the radio back on.

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