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Troubleshooting 2–43
Throughput and connection range vary
If there are large variations in throughput and range even when equipment
is stationary, the cause may be nearby sources of radio frequency
interference. WLAN radios operate in unlicensed frequency bands where
many other sorts of radio devices may also operate. Such radio devices
may severely impact performance of the WLAN. Devices which may
cause interference include cordless telephones, microwave ovens, and
Bluetooth radio devices.
If the problem is due to a cordless telephone, either the telephone or the
WLAN device can be moved to another frequency in the band for
improved performance. For channel changing instructions, refer to your
telephone or WLAN device documentation.
Notebook cannot detect a Bluetooth device
■ Verify that the Bluetooth device is turned on.
❏ Some Bluetooth phones must be set for detection and may be
detectable by other devices for only a short time.
❏ On most notebooks, the device configuration is available in the
Entire Bluetooth Neighborhood. For more information, refer to
the documentation included with the Bluetooth device.
■ Refresh the list of Bluetooth devices as instructed in your Bluetooth
documentation.
■ Verify that:
❏ The Bluetooth search for devices is active.
❏ Device responses to the Bluetooth search are not filtered.
320399-002.book Page 43 Thursday, June 19, 2003 1:17 PM