Wireless internet problem!

hello,
i just got my new laptop a couple days ago. i have a netgear wireless router and a cable modem. everything works fine at my house and the internet works as it should. the problem is when i go to another house it doesnt work. everything is plugged in right and its the exact same modem as the one at my house... but i just wont work. any help is greatly appreciated. thanks

did you unplug the cable modem for 30 seconds?
basically, from my limited knowledge of these balky things:
cable modem grabs an IP from the ISP.
router grabs that IP and assigns its own IP to a pool.(DHCP)
MacBook grabs one of those router IPs.
so your MacBook may have the old router IP, which has the old ISP IP it got from the old cable modem. often times shutting off one or all of the above will force them to refresh and grab the correct IPs. does that make sense?

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    Go to Solution.

    fredderf99 wrote:
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    If you like a post, or want to say thanks for a helpful answer, please click on the Ratings star on the left-hand side of the post.
    If someone answers your question correctly please let other members know by clicking on ’Mark as Accepted Solution’.

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