Fix xbox hdd

how do i get my xbox hdd reformatted to where i can use it in my computer?

 

You need the eeprom from the Xbox it came from, then unlock it via Xboxhdm v1.9

 

and if by chance you, like so many others, did not back up your EEPROM to your PC like you should have. Then be prepared for this.
http://www.teammodders.com/forum/how-to-hotswap-and-recover-a-hd-without-an-eeprom-backup-t91.html

If you do happen to have the EEPROM< then bravo. You are already smarter than most. Use this guide.
http://www.teammodders.com/forum/using-xboxhdm-to-build-an-xbox-hard-drive-t87.html