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Thread: Can't start up after boot repair

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  1. #1
    Join Date
    Jan 2008
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    Question Can't start up after boot repair

    Hi,

    I have a problem similar to http://ubuntuforums.org/showthread.php?t=2023086

    I have bought a new Acer laptop with UEFI support and Windows 8 pre-installed. After installing Ubuntu 12.10, I was able to start up, but I couldn't start Windows 8 anymore. I followed the instructions described here and ran Boot Repair. The result was that I was completely unable to start my laptop. I got the following error: "file '/grub/i386-pc/normal.mod' not found".

    At the end of the procedure, Boot Repair displayed the message: "Please do not forget to make your BIOS boot on sda2/EFI/ubuntu/grubx64.efi file!" as you can read at http://paste.ubuntu.com/1494353. I don't understand how to do this. Any help would be greatly appreciated.

    I have now re-installed Ubuntu. The original Windows 8 partition is still on my hard disk. I can now start Ubuntu again, but I still can't use Windows 8. Please help.

    Kind regards,

    Mark

  2. #2
    Join Date
    Jan 2008
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    France
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    Ubuntu Development Release

    Arrow Re: Can't start up after boot repair

    Hi
    Quote Originally Posted by marksch View Post
    You used Boot-Repair from your installed Ubuntu, which had been installed in Legacy mode. This can cause problem when B-R needs to install grub-efi.

    Please use Boot-Repair from live session (liveCD or liveUSB), click Recommended Repair, and tell us the new URL that will appear. Then reboot and tell us what you observe.

  3. #3
    Join Date
    Jan 2008
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    Re: Can't start up after boot repair

    HI,

    Thanks for your reply. Now I get to see the GRUB menu with options like:
    Ubuntu
    Adavanced options
    Memory test
    Memory test (serial)
    Windows UEFI bootmgfw.efi
    Windows Boot UEFI loader
    EFI/OEM/Boot/bootmgfw.efi
    efi/EFI/Microsoft/Boot/bootmgfw.efi
    efi/EFI/Boot/bootx64.efi

    If I choose any of the last 5 options, I get either "incorrect signature" or "file not found".

    The new Pastebin url is
    http://paste.ubuntu.com/1516618

    I can still start the Ubuntu install, fortunately.

    What should I do next?

    Kind regards,

    Mark

  4. #4
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    Jan 2008
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    Re: Can't start up after boot repair

    Does anyone have an idea what to do next? I'm dead in the water now.

    Mark

  5. #5
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    Re: Can't start up after boot repair

    hi Mark
    Quote Originally Posted by marksch View Post
    I can still start the Ubuntu install, fortunately.

    What should I do next?
    Please boot your installed Ubuntu (not your disc), open a terminal and tell me the output of :
    Code:
    [ -d /sys/firmware/efi ] && echo EFI || echo Legacy

  6. #6
    Join Date
    Jan 2008
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    Re: Can't start up after boot repair

    Hi Yann,

    Thanks for the reply. I've entered the terminal command and all I got was "Legacy". Did I do something wrong?

    You can see a screenshot of the terminal window at http://qery.us/3dk .

    Kind regards,

    Mark

  7. #7
    Join Date
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    Arrow Re: Can't start up after boot repair

    ok.
    Currently, your BIOS is set up to boot both the HDD and the CD/USB disks in Legacy mode.

    However, your Windows is installed in UEFI mode only.

    So you need to :
    1) set up your BIOS to boot the HDD and the CD/USB disks in UEFI mode. See https://help.ubuntu.com/community/UE...or_Legacy_mode
    2) then run Boot-Repair's Recommended Repair from a CD/USB disc

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