WPA enabled wireless won't give ip for one laptop; ok for others?

By emrjackson ·
I'm having a weird problem with my wireless connection and I'm not sure what to do next.

I recently enabled WPA on my SMC wireless router. At first my Acer 5670 laptop connected fine, but I had a hard time getting another desktop with an SMC wireless G usb card to get an ip address when connected. I thought it might be the router, so I updated the firmware, reset it to factory settings and enabled WPA again.

After I did all that, the desktop has been connecting fine every time, another laptop, a Dell, connects up every time, but my Acer's connection became more unstable. At first it would connect up fine on restart but not get an ip after waking from standby; now no matter what I do it cannot get an ip from the router. Interestingly, it can connect to my neighbor's unsecure network with no problems.

I have tried starting and stopping the DHCP service, doing a system restore, uninstalling and reinstalling the wireless card software and drivers, using WinsockFix, and setting the ip manually. Nothing seems to work. I'm confident that if I turned off the WPA on the router that the Acer would connect up just fine, but that is the one thing I haven't tried as yet. Do you all know of anything else I might try?

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I think it's fixed, but wtf?

by emrjackson In reply to WPA enabled wireless won' ...

I turned the router and modem off and unplugged them completely for a minute, but I still couldn't connect. Then I logged in to the router and renewed the ip from that end (although I don't know how that would effect what ip it sends), and finally I checked the security access log, which showed a short list of access attempts, some of which had a date of 2003. ??? I cleared the access log and suddenly my computer is able to connect.

I don't really understand what the problem was, but it seems to be fixed. Now to see what happens when it goes into standby...

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