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Thread: Windows "missing operating system" after Ubuntu 12.10 instal?

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  1. #1
    Join Date
    Dec 2012
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    Windows "missing operating system" after Ubuntu 12.10 instal?

    Hi, I used rEFIt to install Ubuntu 12.10 on my macbook pro, which also had windows 7 on it. Now when I try to use the windows partition, it displays the message "missing operating system" on a black screen. If there's any other information needed I'll post more.

    Any help is appreciated! Thanks!

  2. #2
    Join Date
    May 2006
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    Ubuntu 12.04 Precise Pangolin

    Re: Windows "missing operating system" after Ubuntu 12.10 instal?

    Quote Originally Posted by jp1016 View Post
    Hi, I used rEFIt to install Ubuntu 12.10 on my macbook pro, which also had windows 7 on it. Now when I try to use the windows partition, it displays the message "missing operating system" on a black screen. If there's any other information needed I'll post more.

    Any help is appreciated! Thanks!
    you have to fix the win partition with a windows cd. select the part that says repair windows or something like that..

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  3. #3
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    Dec 2012
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    Re: Windows "missing operating system" after Ubuntu 12.10 instal?

    Now if I have lost that cd, is there anything I can do

  4. #4
    Join Date
    Feb 2008
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    Funky Town, AUS
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    Xubuntu

    Re: Windows "missing operating system" after Ubuntu 12.10 instal?

    Thread moved to Installation & Upgrades


    Try Boot Repair ...

    https://help.ubuntu.com/community/Boot-Repair

    I don't know what rEFIT is but that may negate Boot Repair working.

    Are you positive you haven't wiped Windows in the process of installing? If you can boot from the LiveCD, open Gparted and post a screen shot of your hard drive partitioning.

    You can also open a terminal and post the output of:
    Code:
    sudo blkid
    Last edited by Bucky Ball; December 24th, 2012 at 04:14 AM.

  5. #5
    Join Date
    Dec 2012
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    Re: Windows "missing operating system" after Ubuntu 12.10 instal?

    I can see all my windows files from my mac osx finder. Do I use that terminal code in OSX or Ubuntu?

  6. #6
    Join Date
    Dec 2012
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    Re: Windows "missing operating system" after Ubuntu 12.10 instal?

    I also created a recovery disk using a different laptop? Will it work? and how do I boot into the cd on my mac?

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