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Thread: Can't boot my windows 7 after installing ubuntu

  1. #11
    Join Date
    Jun 2013
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    9

    Re: Can't boot my windows 7 after installing ubuntu

    Quote Originally Posted by VMC View Post
    Somethings strange going on. In the Boot Summary, it shows unknown filesystem type ' ', yet on line#71, it shows NTFS.
    Did you install Windows 7, or did it come already installed?
    Yes, exactly.

  2. #12
    Join Date
    Jun 2013
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    9

    Re: Can't boot my windows 7 after installing ubuntu

    Okay guys, this is the situation. I tried the chkdsk option and it doesn't work. I tried to use the "repair windows method" and that didn't work. It couldn't find anything to repair. I did the bootrec.exe and that didn't work. Each time I booted windows I would get "there's no operating system" thus I would have to reinstall ubuntu again after the mbr was changed. Finally, I tried the last resort by using the windows 7 installation cd to do a clean install. During the install, I was able to see my partition drive windows 7 OS is on that I'm trying to access and next to it "system" is displayed. I chose the partition but I did not format the partition in hopes that I could do an install without erasing my prorams and settings. Turns out an error message popped up not allowing me to install windows 7 OS stating I did not have all of the files. Is there any software available that can jump and open another partition? I also wanted to note that my partition in windows 7 OS is installed on is encrypted. When I installed ubuntu, I remembered not being prompted to enter my encryption password for my drive. If my partition is showing there has to be a fix. The bios is just somehow not recognizing it. Hopefully someone could help me with this issue. Thanks!

  3. #13
    Join Date
    May 2007
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    13,051

    Re: Can't boot my windows 7 after installing ubuntu

    First of all, Win7 does not come on a CD. That's too small to hold the installation files. Instead, it comes on a DVD. So, if it really is a CD, then it's likely just a Recovery CD, which means it can be used to REPAIR Win7, and together with a Recovery partition, to RESTORE Win7. But, if your Recovery partition is missing or damaged, then you won't be able to restore Win7.

    Second, for Win7 problems, you should really go to the Win7 forum (sevenforums.com). They have a tutorial that will walk you through doing what you wanted to do -- reinstall Win7 without removing the files or apps. But, once again, you must have Installation media to do that.

    And finally, you are probably NOT going to be able to do what you want to an encrypted partition. You should ask about this on the Win7 forums to be sure.
    Ubuntu 15.04 Mate, Mint 17.1; MS Win 8.1, Win10 TP.
    Will not respond to PM requests for support -- use the forums.

  4. #14
    Join Date
    Jun 2009
    Location
    Chicago Suburbs
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    Hidden!
    Distro
    Ubuntu 14.04 Trusty Tahr

    Re: Can't boot my windows 7 after installing ubuntu

    If running encrypted Windows you will not be able to install grub to MBR and dual boot. The encryption software installs a custom MBR that works with the encryption.

    You can see if ewstoring the MBR & first sectors that Boot-Repair backed up works to let you boot Windows again.

    Some have just installed grub2's boot loader to the MBR of a flash drive and then booted that to load & run an Ubuntu install on a hard drive. There may be other ways if Windows encryption software allows it, but I do not think so as the entire idea of encryption is to prevent other systems from seeing data.
    For info on UEFI boot install & repair - Updated Mar 2015:
    http://ubuntuforums.org/showthread.php?t=2147295
    Please use Thread Tools above first post to close thread when/if answered completely.







  5. #15
    Join Date
    Jun 2013
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    9

    Re: Can't boot my windows 7 after installing ubuntu

    You can see if ewstoring the MBR & first sectors that Boot-Repair backed up works to let you boot Windows again.
    Okay, so how do I use the boot repair that backed up my MBR and first sectors to boot windows again?

  6. #16
    Join Date
    Jun 2009
    Location
    Chicago Suburbs
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    Hidden!
    Distro
    Ubuntu 14.04 Trusty Tahr

    Re: Can't boot my windows 7 after installing ubuntu

    I have not done it, but there is a restore MBR chkbox.

    https://help.ubuntu.com/community/Bo...vanced_options
    For info on UEFI boot install & repair - Updated Mar 2015:
    http://ubuntuforums.org/showthread.php?t=2147295
    Please use Thread Tools above first post to close thread when/if answered completely.







  7. #17
    Join Date
    Jun 2013
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    9

    Re: Can't boot my windows 7 after installing ubuntu

    Quote Originally Posted by oldfred View Post
    I have not done it, but there is a restore MBR chkbox.

    https://help.ubuntu.com/community/Bo...vanced_options
    Thanks! I will give it a try. For the record for all too see I did another "boot-repair" and there's been a change in information. I can now see Windows 7 listed. Hope the repair worked, will keep fingers crossed.

    comparison:
    original: http://paste.ubuntu.com/5752476/
    update: http://paste.ubuntu.com/5760307/

  8. #18
    Join Date
    Jun 2009
    Location
    Chicago Suburbs
    Beans
    Hidden!
    Distro
    Ubuntu 14.04 Trusty Tahr

    Re: Can't boot my windows 7 after installing ubuntu

    It is showing the partition as NTFS, but is not showing any of the normal Windows boot files which should show?

    Windows Boot files:
    WinXP
    /boot.ini /ntldr /NTDETECT.COM
    Vista/7 (with 7 the first two files are usually in a separate 100MB boot partition)
    /bootmgr /Boot/BCD /Windows/System32/winload.exe
    For info on UEFI boot install & repair - Updated Mar 2015:
    http://ubuntuforums.org/showthread.php?t=2147295
    Please use Thread Tools above first post to close thread when/if answered completely.







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