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Appendix B: Troubleshooting
Check the following first:
• Make sure that the power of the AP is on and the Ethernet cables are connected
firmly to the RJ-45 jacks of the AP.
• Make sure that the LED ALV of the AP is blinking to indicate the AP is working.
• Make sure the types of the Ethernet cables are correct. Recall that there are two
types—normal and crossover.

B-1: Wireless Settings Problems

• The wireless client computer cannot associate with an AP.
Is the wireless client set in infrastructure mode?
Check the operating mode of the WLAN NIC.
Is the SSID of the WLAN NIC identical to that of the prospective AP?
Check the SSID setting of the WLAN NIC and of the AP.
Is the WEP functionality of the prospective AP enabled?
Make appropriate WEP settings of the client computer to match those of the AP.
Is the prospective AP within range of wireless communication?
Check the signal strength and link quality sensed by the WLAN NIC.