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Thread: Reinstalling windows on a dual-boot system

  1. #1
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    Question Reinstalling windows on a dual-boot system

    Ok, I've got a problem I could use help with. I've spent 4 hours googling for a solution and found absolutely nothing. And I'm not sure if this was asked before so sorry if I'm posting something that already exists. Anyway, here it goes...

    I've got a XP/Ubuntu 12.10 dual-boot, last week I got a Win7 disc so I decided to replace my old XP with Win7 x64. I use Ubuntu for more-or-less everything except 3D modeling for which I need Windows.

    And here's the problem, XP is on an active partition and as far as I understand, if I remove XP and install Win7 I won't be able to boot into Ubuntu anymore because installing Win7 will change the Master Boot Record.

    I want to keep Ubuntu intact and only replace XP with Win7, I know it should be possible but I don't know how to achieve that. All I've found so far is that I should make a backup of the MBR, restore it after I install Win7, boot into Ubuntu and set GRUB to boot Windows but I can't find any details or instructions about how to do that anywhere.

    So I'd really appreciate some help with this.

  2. #2
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    Re: Reinstalling windows on a dual-boot system

    No problem go ahead and install win 7 and replace xp.
    then follow these steps to re-install grub2 to the MBR then all will be back to normal as long as you don't allow win 7 to format the ubuntu partitions you will be fine.

    Just follow the instruction on this page and all should be well.

    you may want to go here and download a copy of boot-repair first.

    Good luck
    Wireless script
    Dave
    Registered Linux User #462608
    Ubuntu 16.04.1

  3. #3
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    Re: Reinstalling windows on a dual-boot system

    Thanks, the instructions are pretty simple, though now I wonder why I haven't found them myself.

    In any way, problem solved, thanks again.

  4. #4
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    Re: Reinstalling windows on a dual-boot system

    Quote Originally Posted by Werne View Post
    Thanks, the instructions are pretty simple, though now I wonder why I haven't found them myself.

    In any way, problem solved, thanks again.
    Your Welcome enjoy
    Wireless script
    Dave
    Registered Linux User #462608
    Ubuntu 16.04.1

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