9 Aug 2016, 07:51

@tdelios out of curiosity... Did you try using this software after SD Formatter?

http://www.ridgecrop.demon.co.uk/index.htm?guiformat.htm

SD Formatter shouldn't take more than a few seconds, regardless of the size!

This is an old post I created about SD Cards Compatibility:
https://forum.recalbox.com/topic/2138/sd-cards-compatibility