10-3
Cisco Aironet 340, 350, and CB20A Wireless LAN Client Adapters Installation and Configuration Guide for Windows
OL-1394-07
Chapter 10 Troubleshooting
Troubleshooting the Client Adapter
Troubleshooting the Client Adapter
This section provides troubleshooting tips should you encounter problems with your client adapter. Use
Table 10-3
to quickly locate specific troubleshooting information.
Off
2 fast blinks, 2-second
pause
Flash boot block checksum failure. Refer to the
“Obtaining Technical Assistance”
section in the
Preface for technical support information.
Off
3 fast blinks, 2-second
pause
Firmware checksum failure. Reload the firmware.
Off
4 fast blinks, 2-second
pause
MAC address error (error reading MAC chip).
Reload the firmware.
Off
5 fast blinks, 2-second
pause
Physical layer (PHY) access error. Refer to the
“Obtaining Technical Assistance”
section in the
Preface for technical support information.
Off
6 fast blinks, 2-second
pause
Incompatible firmware. Load the correct firmware
version.
Table 10-2
LED Error Condition Messages (continued)
Green LED
Amber LED
Condition/Recommended Action
Table 10-3
Locating Troubleshooting Information
Troubleshooting Information
Page Number
Using the troubleshooting utility
10-4
Client adapter recognition problems
10-7
Resolving resource conflicts
10-8
Problems associating to an access point
10-11
Problems authenticating to an access point
10-11
Problems connecting to the network
10-11
Prioritizing network connections (Windows
2000 and XP only)
10-11
Losing association upon resuming from suspend
mode (Windows NT and mini PCI cards only)
10-12
Parameters missing from Profile Manager screen
10-12
Windows Wireless Network Connection icon
shows unavailable connection (Windows XP
only)
10-12
LEAP login screen does not appear before
Windows login screen (Windows 98, 98 SE, and
Me only)
10-13
Microsoft hot fix (Windows 98 and 98 SE only)
10-13