Not only was I able to backup the data, but I was also able to convert the drive from Dynamic to Basic using the tool. Great find. I recovered a good 120GB worth of work that I have now backed up.

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 ...

The most obvious difference between basic and dynamic disks lies in operating system support. While all versions of Windows--even DOS--support basic disks, we can't say the same for dynamic disks.

For added security, Windows 11 will forgo the older MBR partition scheme and use GPT instead. That may require users to convert their older hard drives. Here is how to do it.