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I decided to try to set up my old desktop as a home server for a learning experience. I followed the tutorial here.

I couldn't get my laptop to connect through the Squid proxy, and eventually gave up.

Now I have the problem that my laptop won't connect to my home network through wireless. I have a feeling that it has something to do with having edited the /etc/resolv.conf file, but I purged and then reinstalled resolvconf. The problem is still there.

The symptoms are strange because after connecting to the wireless network and trying to load a page, part of the page will load, and then the connection will completely stop working. No other pages will load after that. The wired connection directly to the router works fine.

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If you can resolve a domain name to an IP address, and it sounds as if you can, then DNS (including resolvconf) is not the problem. My guess is that there is a bug in the driver for your Wi-Fi hardware. Look around in bugs.launchpad.net/ubuntu/+source/linux for reports of similar problems. –  jdthood Jul 3 '13 at 16:18
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