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I have installed ubuntu, and somehow my grub is not detected because my 1st disk has a bad sector, I have tried using this command:

sudo grub-install /dev/sdb1 --recheck --force-lba

and it didn't work. It prompted a message like:

/dev/loop0 does not have any corresponding BIOS drive.

How to install grub on current running partition?

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Try boot-repair by booting into ubuntu from live USB.

Install boot repair --> For this, open a terminal and do the following:

sudo add-apt-repository ppa:yannubuntu/boot-repair

sudo apt-get update

sudo apt-get install -y boot-repair

Run boot-repair -->

sudo boot-repair

Click on "Recommended repair". Write on a paper the new URL that will appear.

Reboot your PC

  • it took long time with dialog "scanning system please wait", is it normally like this? – hilmanshini Apr 3 '14 at 21:49
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Normally you install grub to the whole drive ( /dev/sdb ), not a partition on it, but in your case, you seem to be using WUBI, so you can't use grub-install. My recommendation would be to stop using WUBI and do a real install of Ubuntu, since wubi is no longer supported.

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