I had that issue a while back and, as mentioned above, found formatting in the camera was a must.
A fast card is also a must and what seems to be the best is the "LEXOR 600X"
They are available on Ebay for as low as $25 for a 32gb and since using that card I have had no problems.
Tom
A fast card is also a must and what seems to be the best is the "LEXOR 600X"
They are available on Ebay for as low as $25 for a 32gb and since using that card I have had no problems.
Tom