Problems connecting a laptop to a wireless network.

I have a laptop among many others that does not connect to a wireless network. simple DSL line and router. First, I tried to fix the conection and received the message "cannot renew the IP address. I ran diagnostics and hardware seems OK. Diagnostic software says authentication failed. I went to CMD and tried ipconfig/renew, it did not help. Should not the router because other machines are accessing OK. What's next?

Yes, I just used the system restore feature and took care of him this way... do not know what the user did to corrupt the password/authentication...thanks I apreciate the help!

Tags: Windows

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