[ubuntu] Confused about installation and partitions.

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http://ubuntuforums.org – Hi, I'm not too sure what is going on with my computer and I would like someone to let me know what all of this means. I accidently downloaded Ubuntu twice. From what I read the installation will overwrite the other installation. I downloaded both of them next to Windows 7. I've attached a photo of what gparted found. Also I have no devices hooked up to my computer but in the devices column of my window I says I have 747GB and 128GB attached to my machine. The amount of space I partitioned for one Ubuntu was 630 something or 750 total and the other was about the same, but since I overwrote it (Hardware)