If you are having trouble opening partion 3 on a 60/120 gb hdd try using this guide 1st 1st of all you most proberly using vista or 7 and you allowed windows to install drivers them selfs... 1: goto logo bottom left. right click computer the properties 2: advanced system 3: hardware tab 4: device installation settings 5: never install driver from windows update Now go back to step 1 but this time instead of going to advance system on step 2 go to device manager 6: uninstall the usb drivers 7: reinstall the correct drivers for your hdd and make sure u run things as admin and have UAC turned off... Download correct drivers here Tutorial how to install drivers for noobs