If you have a GoPro, you can use it to reformat the card. (settings>erase>erase all/format) This worked for me after failed attempts to reformat using diskpart.exe and other reformatting tools.
If you have a GoPro, you can use it to reformat the card. (settings>erase>erase all/format) This worked for me after failed attempts to reformat using diskpart.exe and other reformatting tools.