Ubuntu 10.04 & TP-Link TL-WN751ND - won't connect

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http://ubuntuforums.org – As in the title, I have a 10.04 LTS system that works flawlessly. Recently I abandoned 5erizon for a wireless hotspot and a TP-Link TL-WN751ND wireless PCI card. That card has a reputation for being easy to get working, yet mine isn't. I ran lspci and the card is showing up as an Atheros device 002D rev. 1. When setting up the wireless connection, I deleted the wired (ethernet) connection entry. At first I was using WPA/WPA2 since it worked on an old windows PC It seemed close to working and may have connected momentarily, but repeated tries led to no connection, so I switched to WEP and a (Hardware)