Sd card not mounting???

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http://androidforums.com – So what the hell ? I brought 64 gb microsd from sandisk, put it in my s3 and it says blank card card or recognized format yada yada yada. So what can I do to fix this, I paid almost 50 bucks for this card, i wanna punch somoene right now lol. But seriously though Ive seen people say something about reformatting to fat32 but my internet search didnt turn up any good guides so here I am. (General)