IBM 19K4543 manual Appendix B. Troubleshooting, Troubleshooting the LEDs

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	Description/action
	Receive LED
Continuous	Blinking	The PC Card is turned on, and is
green		sensing and transmitting data.
Continuous	Off	The PC Card is turned on; there is
green		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.

© Copyright IBM Corp. 2000 B-1