Sandisk Ultra 16 GB memory card is not working

Hi I bought memory card sandisk ultra 16 gb.In this card copy and paste is not working when i did from device.But I copying from my computer to memory card is working.Please suggest what can i do for solve this problem


in that case we will need some more information on the issue. did you used a software to copy the files and that did not work? is the host device compatible with such a card? 

please provide some more information to work on the issue