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How to remove Ubuntu from dual boot system with Windows 7?

Is it safe to uninstall Ubuntu from my Windows 7 computer? My default OS is now Ubuntu and can't change it to Windows 7.

I am just bored of Ubuntu which lowers my battery life quicker than Windows.

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marked as duplicate by Eliah Kagan, Mitch, Jorge Castro, Stephen Myall, Jacob Johan Edwards Sep 3 '12 at 18:39

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Do you have an nvidia optimus enabled / hybrid graphics laptop? that could cause faster batter life. Otherwise ubuntu uses less battery than windows. If so let us know, we can help –  Web-E Sep 3 '12 at 12:04
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2 Answers 2

What I used to do when I wanted to uninstall Ubuntu from my dual-boot desktop was to delete the Linux partitions via disk management and then use a Windows 7 CD to restore MBR. You can find detailed step-by-step here.

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i cant boot my windows 7 plz help me in that...actually i selected Ubuntu as my default os...and in ubuntu there is no option for Select windows 7 as defualt –  Dhiraj Sep 4 '12 at 3:51
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There is no way ubuntu lowers your battery faster than Windows. . . Full charge it leave it as it is, and count the time of windows and ubuntu to make the battery go 50%... Ubuntu ofc wins ;)

P.s use gparted live cd to unistall ubuntu ;)

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