Any new blocked zones in your firewall? Or has the mac address changed since you instituted mac filtering? Is there any filtering at all right now? Any zones? Any domain changes? Any computer name changes? Any gateway or dns changes? Does it work with the firewall shutdown? Anything in the hosts file? Just a bunch of stuff to rule out.... Does a different port on the router/switch work?

Does your wired connection work anyplace else?

>Hi,
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>I was using my PC earlier today on a wireless network (at home) without any problems. I came in the office and plug in my cat5 cable but the network icon says unplugged. I tested the network cable on another computer in the office (on which I am typing now) and it works. But when I plug it into my " other" pc it does not work. In the Control Panel -> Networking, the network card does not seem to have any problems. That is, it says, "working properly"
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>What else can I do to troubleshoot this issue? Maybe related or maybe unrelated, also this morning the cordless keyboard does not communicate with the computer.
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>TIA for any suggestions.