I have an SDCard I use in a Raspberry Pi4B to run nanoDLP(uses linux) OS for a 3D printer.
The printer stopped suddenly, something with the OS must have gone wrong, leaving me with no option but to turn off via the power switch. I now have an SDCard that I can not use as it is locked by "a user" and my best option to fix things is to start over by reformatting the card. Trouble is GPart, and all the cmds I know do not work. They say they do not have the permissions required.
Any ideas please?
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