Unable to boot windows after installing ubuntu


  1. frooto
    Posts : 2
    windows 7 ultimate x64
       New #1

    Unable to boot windows after installing ubuntu


    I previously had windows 7 operating system.For some use I also needed the ubuntu operating system.I have the ubuntu 12.04 64 bit on a cd.In order to use the new operating system.....I had the need for a new drive.But I've got a Hewlett Packard laptop....so in order to create a new drive for installing ubuntu...I deleted the SYSTEMS drive(as that was the possible solution given online).After doing this I completed installing the ubuntu OS....but now my windows OS is not to be seen.....when booting I get 2 possible options
    1.Ubuntu
    2.Windows Recovery option.

    Now in order to open the windows OS,I dont have an option....so I tried the windows recovery option ..and I restored it to a previous date..and that was successfully completed....But my point is that I'm still unable to switch to windows OS...need some help in this regard....cause I dont want to get stuck with Ubuntu all the time
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  3. whs
    Posts : 26,210
    Vista, Windows7, Mint Mate, Zorin, Windows 8
       New #2

    When you deleted the Windows system partition, you deleted your Windows bootmgr. Now you have to set your Windows 7 partition as active and then run Startup Repair 3 times.
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  4. frooto
    Posts : 2
    windows 7 ultimate x64
    Thread Starter
       New #3

    Unable to boot windows after installing ubuntu


    The procedure that you suggested in the last post doesn't work in my case...cause I'm unable to boot Windows.When I turn on my laptop, I get 4 possible options
    1.Ubuntu,with Linux
    2.Ubuntu with Linux(with recovery)
    3.Memory test
    4.Windows recovery environment
    So...if at all I've got to operate from any OS....its just Ubuntu....please help me restore Windows
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  6. DavidE
    Posts : 6,330
    Multi-Boot W7_Pro_x64 W8.1_Pro_x64 W10_Pro_x64 +Linux_VMs +Chromium_VM
       New #4

    Can you use use Method Three (Partition Wizard) in Partition - Mark as Active for this?
    Can you use Ubuntu or another PC to download and create the PW bootable disc?
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  7. FaberTech
    Posts : 365
    Windows 7 x64 / Windows Server 2008 / Linux (Redhat & Deb distros) / OS X / More
       New #5

    you can boot the Ubuntu live cd and run gparted to flag your windows 7 partition active. should be something like System > Administration > Partition Editor. but I'm not sure as its been a few years since I've run Ubuntu.
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