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#11
It would have been better to explain what you have actually done in diskpart (not disk part). How was the partition structure and disk type before you did the diskpart commands would have been a better information.
The easiest way to sort things back to default is to wipe the disk and opt for a clean install. But before doing that, wait and see how the troubleshooting goes.
diskpart command line is not for them who dont know it .... there are GUI alternatives to it. Better you use PW Bootable CD next time you feel any need to change the partition structure.