my 64 gig memory card isn't responding to me any more

[rowan sizer]

i bought a Samsung 64 gig evo micro sd card for my samsung galaxy s4 and it downloaded music and photo files really well. but all of a sudden i cant move or paste anything into the micro sd card from my phone or computer. and i cant rename or delete anything in it either. please help!

 

[Alextodd1]

Did you do any recent update on your phone? This could be one of the reasons why it is not responding to it. Secondly your Memory Card became corrupt (this happened to me once), and I needed to format the SD card before it started working again.