Upgrade STAR1 to 12.04 instructions needed.

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http://ubuntuforums.org – Hello I bought a Starling 1 netbook from System76 a few years back and I wanted to know if there was a step-by-step on how to upgrade this machine to Ubuntu 12.04 so as to avoid any hardware issues. I had read here that some STAR1 owners had trouble with driving their wireless transceiver after upgrading. I want to avoid that if possible. Is there a way to upgrade safely without hardware issues? Thanks in advance for all answers. (Hardware)