I have modified MBR from 0x42 to 0x07 in windows 7 to convert dynamic to Basic disk i.e. 0000001C0 01 00 42 to 0000001C0 01 00 07 and now my system is not booting up it is just showing only c ...

FAQ: HOWTO: Convert a dynamic disk back to a basic disk without data loss <br><br>I think we may need to re-org stuff to make a HOWTO section or something.