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Thread: Dual Boot Problems

  1. #1
    Join Date
    May 2013
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    14

    Dual Boot Problems

    I have two Hard Disks, a 1TB and a 500GB in my custom build. I split the 500GB in to two 250GB partitions, then installed Ubuntu on to one of them first. I then installed Windows 7 on the other partition. Now when I boot up it doesn't boot in to GRUB it boots straight in to Windows without any options. How can I make it boot back in to GRUB?

    Thanks, James.

  2. #2
    Join Date
    Jul 2013
    Beans
    8

    Re: Dual Boot Problems

    Windows can cause some problems when installed after another OS. Try Reinstalling Ubuntu on the partition you want it on. That may solve your problem. I don't know how to fix it if that doesn't work.

  3. #3
    Join Date
    May 2013
    Beans
    14

    Re: Dual Boot Problems

    It would be ideal if there was another way to maybe purely reinstall GRUB instead of Ubuntu as I have a very slow connection and installed a lot of updates. Also, I have files on there which I wish to keep, I could run the live disc and transfer the files but I'd rather not.

    But thanks for the help!

  4. #4
    Join Date
    Nov 2008
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    Hidden!

    Re: Dual Boot Problems

    Yes, you can reinstall Grub from your Ubuntu CD.
    If nobody helps you now, wait for me a few hours until I get home.

  5. #5
    Join Date
    Mar 2010
    Location
    India
    Beans
    8,175
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: Dual Boot Problems

    Quote Originally Posted by SirDelder View Post
    Windows can cause some problems when installed after another OS..
    In fact, Windows will definitely cause this problem when installed AFTER Linux. It just overwrites the MBR (Master Boot Record) with its own, and obviously doesn't/can't detect Linux to include it in its boot menu.

    Fortunately, the fix is easy enough. If you don't want to go into hassle of commands, just use Boot-Repair to reinstall Grub on the MBR : http://help.ubuntu.com/community/Boot-Repair

    It will return you the Grub menu which will give you the option to boot either Ubuntu or Windows.
    Varun
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  6. #6
    Join Date
    Jul 2013
    Beans
    8

    Re: Dual Boot Problems

    OK, I didn't think about that. Here's a link to the steps:
    https://help.ubuntu.com/community/Re...tallingWindows

    [edit] Sorry, I didn't see someone had already posted the answer while I googled it.
    Last edited by SirDelder; July 3rd, 2013 at 08:21 PM.

  7. #7
    Join Date
    Jun 2006
    Location
    UK
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    Hidden!
    Distro
    Ubuntu 14.10 Utopic Unicorn

    Re: Dual Boot Problems

    Support question.

    Thread moved to General Help.

    Please do not PM me about your forum account unless you have been asked to. The correct place to contact an admin about your account is here.

  8. #8
    Join Date
    Jan 2007
    Location
    3' from Hell
    Beans
    1,273

    Re: Dual Boot Problems

    yep , i keep a copy of the boot repair disk handy anytime i do an install. usually to fix the resolution out of range issue.
    The only dumb question is the one not asked.

    In service to the Dream

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