[ubuntu] I've messed up my computer trying to install

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http://ubuntuforums.org – I'm freaking out right now. I was trying to install Ubuntu on my windows 7 laptop, and when I was working on the install something went wrong and now when I boot up it doesn't go into Windows. I chose "something else" on the install screen and tried to resize a partition but I don't know what happened. It still says that windows 7 is on this machine but it doesn't give me the option to "install inside windows" anymore. Something is wrong. I don't know what I'm doing. Please let me know if any more information is needed. (Hardware)