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Here's another tutorial, i do a diskpart clean whenever i get a new drive or re-use an old drive.
Disk - Clean and Clean All with Diskpart Command
I've never installed Linux as "bare-metal". i only use it as a VM running in W7.
If diskpart clean doesn't remove everything, you can ask for help in the tutorial.
Shawn (Brink) tut author knows a lot more than me and may have an answer.
If not, there are many experts here that might know the best way to clean a drive from Linux.
One tool you should get is the MiniTool bootable Wizard.
It's a great tool to have, and it's free.
Bootable Partition Manager| MiniTool Partition Wizard Bootable Edition