Internet via airport AND ethernet dropping?

I have a new uMBP 13". When I connect to my home network it is the only computer on the network that will drop it's signal every 10 minutes at least. It searches for the network and reconnects a few seconds later but I have to manually search for the network and select.
I tried it with just the ethernet cable and airport turned off and the same thing happens.
I have an iMac connected wirelessly to the Netgear G router also running snow leopard which works fine.
I know there are discussions about airport dropping but this is airport and ethernet so where do I start with solving the problem?
Thanks

Hello William.
I've had similar problems, as described above. I have called AppleCare; I have found other threads on the forum(s) dealing with AirPort dropping connections; I have found much discussion of the subject on the web. There is a problem, and there appears to be no solution. Here is my related situation.
I have a MacBook Pro with Snow Leopard; an oldish Netgear wireless router; and my wife is connected to this little LAN with my old iBook running Leopard. That machine, with Leopard, never loses a connection whereas my Macbook Pro with SL loses the Airport connection approximately every 24 hours. After talking with the ISP and Netgear I solved that problem initially by rebooting the router. Now, I find, I have only to turn AirPort off and then on again and the connection is reestablished.
Meanwhile, I tried switching over to ethernet. I turned Airport off, and ethernet on, with an automatically assigned DNS address. Again, to my amazement, the connection (with the internet) was dropped, again, about every 24 hours--long about 9:30 in the evening, for me. To reconnect ethernet to the web I only had to click "renew DHCP address" under the Advance tab in the network panel. I.e., the behavior was analogous to what I went thru with Airport.
I have to think that 1) since this doesn't happen to my wife's machine on the same network running Leopard, and since 2) the same thing happens whether I'm using AirPort or Ethernet to connect to the web, that this is something systemic in SL's networking innards.
I went over all of the router's connections and settings (no timing out issue), and I upgraded its firmware successfully. I've done all the usual troubleshooting gimmicks, and, of course, I've discussed this with AppleCare. They haven't the foggiest. Since the problem only recurs in a longish circadian cycle it's not something that can be dealt with over the phone.
I have to believe there's something wrong with the networking software in Snow Leopard. And, for what it's worth, if you do a search for this on Google there is a great deal of similar discussion.
Now my solution is simply to use Airport and to turn the program on and off via the menu bar. Unfortunately it raises cain with syncing--"Mingler" and iCal and iCal's system syncing software run away with the CPU. But that's another thread!
All the best,
Alarik

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i can't connect to the internet via airport. Does anyone know what the problem may be?

There are several items that may be behind this issue.
So troubleshooting them by trial and error is most likely
a way to attempt to resolve the cause, especially with
an older OS X and hardware, while trying to connect to
a newer base station and different newer frequency...
•Wi-Fi: How to troubleshoot Wi-Fi connectivity
http://support.apple.com/kb/HT4628
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If the computer has been online, and now does not work
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A general overview, w/ examples of settings similar to the above, for 10.3.9/10.4.11 appears here: http://www.tr.txstate.edu/get-connected/computerservices/wireless/encrypted/maco sx-wpa2.html
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So it is a matter of knowing what you have on either side
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card have to use the same frequency and security. Or
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Hopefully you can connect and use the wi-fi internet.
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You give her a good advice which could, perhaps, lead to an improvement.
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Internet via airport AND ethernet dropping?

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