[ubuntu] Horrible WiFi issues and no tech support

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http://ubuntuforums.org – Hi, I've been struggling with WiFi on my Ubuntu 13.04 installation on my Dell XPS 15 laptop. I hate to admit, but there are no issues in Windows. On the other hand, in Ubuntu (and even Arch) I find that I have to press Ctrl + R and reload every website a few times to get rid of the "page could not be displayed" or "cannot connect to the internet" messages from the browser. My university has 2 kinds of connections -- a "secure" and an "open" connection. The open connection is usually unavailable and is slow, whereas the secure connection doesn't work we (Hardware)