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Thread: Unable to load windows through grub

  1. #1
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    Unhappy Unable to load windows through grub

    Hello!

    I have a computer, in which I upgraded my existing Windows to Windows 8, so I still have the BIOS, not the UEFI. When I installed Ubuntu 12.04 LTS and I rebooted, and selected the "Windows 8 (loader)" option, the computer just rebooted and returned to the same grub menu. Are there any ideas on what is happening?
    Last edited by Jonathan Precise; June 23rd, 2013 at 11:49 PM. Reason: [SOLVED]

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    Re: Unable to load windows through grub

    Boot-Repair is usually the first thing to try in these situations:

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

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    Re: Unable to load windows through grub

    IF you used the Ubuntu installer to shrink the Win8 OS partition, then you likely ended up corrupting the filesystem. Boot-repair MIGHT be able to fix this -- but you should have come here first before charging ahead with the installation. We could have told how to avoid these problems.
    Ubuntu 14.04, Mint 17; MS Win 8.1.
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    Exclamation Re: Unable to load windows through grub

    Quote Originally Posted by Mark Phelps View Post
    IF you used the Ubuntu installer to shrink the Win8 OS partition, then you likely ended up corrupting the filesystem.
    I did not use the Ubuntu installer to shrink the Windows 8 Partition. I used the GParted Live CD (the image is available here) to shrink the Windows 8 Partition. Then I rebooted back into the Windows partition to make my last backup (and to make sure that the filesystem wasn't corrupted). After that it's when I installed Ubuntu on the remaining space.

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    Unhappy Re: Unable to load windows through grub

    Quote Originally Posted by MidnightGrey View Post
    Boot-Repair is usually the first thing to try in these situations:

    https://help.ubuntu.com/community/Boot-Repair
    I tried Boot-repair through Linux-Secure-Remix. However, the problem wasn't fixed. Actually there was a new option in grub called "Windows 8 (loader) in /dev/sda2". Neither option worked to boot windows. The computer just restarted and returned to the menu.

    Unfortunately, it seems that I can't paste the output log it here nor in the Ubuntu pastebin. The first reason why is that the internet connection doesn't seem to work in the Live CD (see post). The second reason is that I can't save it to my Windows partition. I can't seem to access it. Any ideas of what is happening?

  6. #6
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    Re: Unable to load windows through grub

    Did you turn off fast boot as Windows is always hibernated.

    WARNING for Windows 8 Dual-Booters
    http://ubuntuforums.org/showthread.php?t=1953674
    It defaults shutdown to a hybrid hibernation/off state for fast boot
    http://www.kapilarya.com/how-to-enab...p-in-windows-8
    But then files may be corrupted similar to Windows 7 Hibernation:
    http://ubuntu-with-wubi.blogspot.ca/...rid-sleep.html
    http://superuser.com/questions/14472...te-w-dual-boot
    Fast Startup off/hibernation
    http://www.eightforums.com/tutorials...ndows-8-a.html
    For info on UEFI boot install & repair:
    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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    Re: Unable to load windows through grub

    I had Fast Boot on. However, when I wanted to mount the partition, it asked me if I wanted to remove the hyberfile, which I assume is the file where windows stores the information for Fast Boot. I removed it, and then restarted. The problem continued.

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    Re: Unable to load windows through grub

    I am not familiar with Windows 8 anymore, but if you have the disc, there should be a startup repair option avaliable, which will wipe the Ubuntu bootloader, and (hopefully) allow you to boot back into Windows.
    From there, if Windows startup repair works and allows you to startup to windows, you can use Boot Repair to reinstall the Ubuntu bootloader (grub)
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    Re: Unable to load windows through grub

    ~
    Last edited by ahallubuntu; June 24th, 2013 at 01:04 AM.

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    Re: Unable to load windows through grub

    Quote Originally Posted by ahallubuntu View Post
    You might be able to do what sandyd suggests but after you get Windows booted again, you can try using the Windows 8 bootloader to boot Ubuntu instead of using Grub to choose which OS to boot. I've done it with Windows 7 but not with Windows 8, but I assume there is a way to do it.
    As far as I know, EasyBCD support windows 8
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