How to fix Truecrypt MBR using Command Prompt or Linux live USB?

Posted by Michal Stefanow on Super User See other posts from Super User or by Michal Stefanow
Published on 2012-03-09T13:02:54Z Indexed on 2012/12/11 23:06 UTC
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Filed under:

windows-7

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ubuntu

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grub

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truecrypt

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mbr

I was playing with TrueCrypt and decided to make a fresh installation of Windows 7 from USB stick.

Unfortunately Windows 7 installer: "setup was unable to create a new system partition"

My entire HDD has been formatted and is visible as 320GB unallocated space, but no fdisk nor Windows 7 installer nor Windows XP installer could help. (Windows XP doesn't even see the HDD, it sees only USB stick and says "not enough space to install")

It may be related to Truecrypt and pre-boot authentification, boot loader and/or MBR. As I don't have optical device I could not have created rescue disk. Right now I need a rescue of some kind, supposingly by erasing/fixing MBR using Linux live USB or using Command Promt.

Another approach is to click "repair your comuter" menu from Windows 7 installer then click "restore your computer", then click OK upon error and get access to Command Prompt.

Yet another another approach is to start computer without Linux USB I receive this:

error:unknown filesystem.
grub rescue>

Any help would be greatly appreciated as my laptop is kind of not fully operational now.

UPDATE: This was asked long time ago, ended up formatting everything (eventually it worked using different bootable USB)...

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