Problems and Solutions Wireless LAN (WLAN) Device Problems ✎ See also the “Internet Problems” section. Notebook cannot connect to wireless network ■ Verify that the wireless device is turned on. On most models, a light turns on or changes color when the device is turned on. For more information about turning a wireless LAN device on and off and about using the wireless LAN device indicator on your notebook, refer to your model-specific documentation. ■ Verify that the antenna(s) are free from obstructions. For information about the number and location of antennas on your notebook refer to your model-specific documentation.
■ Verify that you are within optimal range of an access point (for an infrastructure connection) or another wireless-equipped computer (for an ad hoc connection). ■ Use the Device Manager utility in your operating system to verify that the correct wireless LAN device driver is loaded and functioning properly. ■ Verify that you are using the correct SSID. ■ Verify that the wireless encryption settings are correct. ■ If you are trying to connect to an ad hoc network, ensure that the channel settings are correct. ■ Consider that wireless LAN performance may be affected by the following factors:
❏ Type and thickness of building construction materials (brick, steel, concrete, glass, etc.) ❏ Nearby electronic and communications equipment and HVAC system. 2–40 Troubleshooting