Formatted Ubuntu partition & now grub says "error: no such partition" - can't enter windows

Posted by qwBJ on Ask Ubuntu See other posts from Ask Ubuntu or by qwBJ
Published on 2012-03-19T12:41:32Z Indexed on 2012/03/19 18:14 UTC
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Filed under:

boot

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command-line

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grub2

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boot-failure

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bootloader

I had installed Ubuntu (current version: 11.xx) alongside Windows Vista. Now I formatted the Ubuntu partition & merged it with another partition (without thinking, obviously).

Now, when I restart the computer, GRUB probably tries to find the old partition (which does no longer exist) and says:

error: no such partition.
grub rescue>

Now I dont know what to do (I'm a total beginner). I tried to re-install Ubuntu on the newly formatted partition but this won't work, because after removing the install-usb (which I am said to do during installation) I find the above error-message again.

I guess I need some way to reconfigure grub OR to reinstall grub/ubuntu (on the newly formatted partition) OR to reinstall the windows boot manager (without reinstall. Windows), but I have no idea how to do either of these things.

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