TestDisk overwrites the code and MBR signature (the hex Word 0xAA55) with a
copy of the Standard Master Boot Record (similar to MS-DOS's fdisk with
the 'undocumented' /MBR switch). This might be useful if your system
doesn't boot at all, and you've tried everything else!An Examination of the Standard MBR (edited copy at CGSecurity.org; France) or:
An Examination of the Standard MBR (original USA site). ]
Back to Running the TestDisk Program