Es file explorer does not show mem card

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http://forum.xda-developers.com – Hi everyone. I have a slight problem. I was installing games when I notice they were al installing on my internal storage instead of my external storage. I the installed apps to sd to move them over. It gave me a message saying I dont have a real memory card my device. I then installed es file explorer and it doesnt see my mem carf either. I then started the camera and it detected my mem card. What is happening? Sent from my SGH-T889V using xda app-developers app (HowTos)