Wireless keeps dropping.

I have a Linksys wireless router. It is working fine with a Dell laptop I have, but my Toshiba will not stay connected to it. This just started; it's worked perfectly for almost a year. I have to keep renewing the IP address to connect. Once I do, it will only stay connected for a few minutes and I have to do it again. Any suggestions would be very much appreciated. Thanks in advance.
spinsouthAsked:
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johnb6767Commented:
Remove any additional preferred networks.

What kinds of card is it?

In the device manager, go to the WIFI properties, and in the advanced tab, do you have a setting called Roaming Aggressiveness? It might simply be trying to jump to a not so close, unavailable network....
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mystics7Commented:
have you updated the drivers for the WNIC, if not see if there is an update for it
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JJB-ZenfulCommented:
I would try removing your drivers for your wireless device on your machine and reinstall the driver via Device Manager.

Have you tried resetting your router/modem?  There could be a problem with the router assigning multiple devices the same IP address causing a conflict which in turn boots your machine from the network.  Your modem/router should have a reset button, check your devices documentation to find out how to reset the device.

Post back once you have tried our recommended solutions and update us on status.

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TreyHCommented:
If it's an Intel wireless chipset on the Toshiba, disable 'Power Save Polling'
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spinsouthAuthor Commented:
That indeed was the problem. We have a new neighbor and my computer was trying to latch onto their wireless. Thanks!!!
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