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© Copyright IBM Corp. 2000 B-1
Appendix B. Troubleshooting
This section provides information on troubleshooting procedures.
Troubleshooting the LEDs
If you have difficulty using or installing your High-Rate Wireless LAN product, the error
may be due to various causes:
• A component of the High-Rate Wireless LAN system is out of range, which prevents
the PC Card from establishing a wireless connection with the network.
• There is a configuration mismatch, which prevents the PC Card from establishing a
wireless connection with the (correct) network.
• Absence of or conflict with the High-Rate Wireless LAN device driver.
• there is a problem or conflict with the PC Card slot, which prevents the PC Card from
receiving power.
• There is a conflict with the High-Rate Wireless LAN hardware and another device.
The starting point to troubleshooting problems with your High-Rate Wireless LAN
PC Card is to look at the LED activity of the High-Rate Wireless LAN PC Card. The
following table provides an overview of the various modes of operation and the associated
LED activity. The table also includes a number of troubleshooting hints, if required, that
may help you solve the problem.
Power LED
Transmit
Receive LED
Description/action
Continuous
green
Blinking The PC Card is turned on, and is
sensing and transmitting data.
Continuous
green
Off The PC Card is turned on; there is
no wireless activity.
Flicker Flicker Power management mode: The PC
Card is turned on, but set to power-
saving mode to conserve battery
life. The card activates at regular
intervals to check for wireless data.