Support Phone not recognizing SD card

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http://androidforums.com – I know this issue has come up before, but I've yet to really find any true solution to resolve it. Ever since I upgraded my RAZR to 4.1.2, I have had some compatibility issues with the SD card. The phone will be reading the card without issue for a period of time, then all of a sudden the phone will stop recognizing the card at all. I will occasionally get a notification stating "sd card is blank or has unsupported filesystem". Rebooting the phone does not resolve the problem, nor does simply removing then immediately reinserting the card. If I remove the SD card from the phone (General)