That "specific" scenerio was on both of the Microsoft 620 and 622 exams...  The "correct" solution is (according to Microsoft) to turn off automatically connect on all wireless networks but the one you want to stay connected to. I have had dropout like you describe many times in places where there are lots of wireless connections available. The Microsoft suggested solution has always worked for me....

> Date: Wed, 25 Jun 2008 07:14:38 -0400> From: [log in to unmask]> Subject: [PCBUILD] Wifi incompatibility> To: [log in to unmask]> > Hello all!> > Another client, another question: thank you!> > My friend (who is also a client) got a "new" (read 6 years old) IBM Thinkpad> from an organization called PCs for Maine for a great price ($300). Although> it works fine with XP SP2 installed (they also include Office 2007), it has> some interesting quirks with wifi. The wifi hardware is B, and I believe is> one of the first Intel Centrino chipsets.> > At a hot spot (using a Linksys N router), using Windows wireless> configuration, the IBM can not always see the all of the available wireless> networks, most oddly the strongest network is absent. Reboot the laptop, and> there it is! Connect to the network, the connection lives for about 3> minutes at best, then dies. If the connection can still be seen,> reconnecting to it does not work. Reboot to try again. Obviously, this is no> way to run a laptop, so we (at the suggestion of PCs for Maine) re-imaged> the hard drive from the restore disk provided. Same problem <sighs>.> > The client takes the laptop back to the organization of origin: it works> perfectly in their system: no drops or other weirdnesses. But they kindly> replaced the wifi card anyway. It works great there. She goes to a local> library on the way home, and the disconnects are baaack!> > My theory of the moment is that there is some incompatibility between older> B and the newer N systems. Comments and thoughts are gratefully requested.> > Thank you!> > Will Stephenson> Acadia Technologies Inc> > > "Facts do not cease to exist because they are ignored." -- Aldous Huxley> > Visit our website regularly for FAQs,> articles, how-to's, tech tips and much more> http://freepctech.com> 
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