Unable to connect wireless connection via Mac Notebook

[Guest jrdiluigi]

I recently purchased a Dell Inspiron 531 with the Vista Operating System.

Prior to this purchase, I was running an old Dell PC with a Wireless Router

connected (LikySys). My wife uses a Mac Notebook, which she was able to

connect to the internet via the wireless router. Since hooking up my new

Dell with Vista, my wife is unable to connect to the internet on her

Notebook. In addition, when she tries to connect, it will not only NOT allow

her access, it will kick the hard connected Dell off the internet as well.

The only way to re-connect to the internet with the Dell is to restart, and

turn off and on the wireless router as well as the modem. I have called

LinkSys, who have updated Firmware, so I am all set there. I called Dell,

and they are unable to help me. As a side note, I also have Norton Antivirus

running, which could possibly be an issue as well (although I have NOrton on

the last Dell and had no issues). Please help!!

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jrdiluigi