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9 Answers

Executing ‘grub-install /dev/sda5′ failed. This is a fatal error.

Asked by: 1894 views , ,
Disk Partition, Dual-booting, General, Ubuntu

Hello everyone!

I apologize in advance for my bad english.

I was trying to dual-boot Windows 7 Ultimate x84 and Kubuntu 11.10 32bit.For GRUB location i choose /boot partition like in tutorial on this website and this error pop out ‘Executing ‘grub-install /dev/sda5′ failed. This is a fatal error. ‘.There was no problem with installing Kubuntu 11.04, everything worked like in tutorial, but after upgrade to 11.10 Kubuntu stoped working so i decided to reinstall Kubuntu and this error constantly comes out.I even reinstalled Windows 7 but same thing happens.It can install GRUB in MBR but i want to have GRUB in /boot partition like in tutorial.Hope anyone can help.Thanks!

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9 Answers



  1. kychong7 on Dec 10, 2011

    Thanks for the info. Will try applying the suggestions regarding this issue.

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  2. djuro on Nov 13, 2011

    I solved this problem.I just changed file system of boot partition from ext2 to ext4.

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  3. Đuro Tremac on Oct 31, 2011

    500 Gb, 400 Gb to Windows.

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    • finid on Nov 01, 2011

      I think the boot partition might be too far from the start of the disk. Try creating the boot partition closer to the beginning of the disk, and see what happens.

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      • djuro on Nov 02, 2011

        I created boot partition on 2. place (just after Windows system reserved partititon) and same thing happened.’Executing ‘grub-install /dev/sda2′ failed’.

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      • djuro on Nov 02, 2011

        I tried to dual-boot on my laptop and same thing happened.

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  4. finid on Oct 31, 2011

    What is the size of the hard disk, and how much of that is allocated to Windows?

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    • djuro on Oct 31, 2011

      Thanks for reply!
      500 Gb, 400 Gb to Windows.

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      • Ian George on Nov 08, 2011

        Hi, I was able to overcome the same problem by making the size of the /boot partition greater than 500 mb where you wanted to place the bootloader.

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