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#51
The options you are talking about are in the top part of the window it sounds like. Look at the bottom part of the window. You should have 1 disk with 1Partition that says system Active, another partition that says HP 454GB. That is the one that you want to keep. In fact, it would help if you post a screenshot of Disk management showing the upper and lower portionas of it Disk Management - Post a Screen Capture Image
Also, if you don't know how to post a screenshot, this will help Screenshots and Files - Upload and Post in Seven Forums