Help moving pictures from computer to Sandisk MicroSD Camera?

Hey everyone – I just got back from a vacation – the first with my Fujifilm X-A2. I have a Sandisk 128 GB card installed in the camera, and just successfully moved all the pictures from the card to my computer. I tried to move some pictures I already had on my computer to the camera, but when I reinserted the Sandisk, all I get is a read error. Is it possible to move existing pictures onto a memory card for viewing on the camera? I moved them into the DCIM folder, but am just getting a read error.


in that case the card data seem to be corrupted and there is nothing much you can do to recover them from the card. 

you could try a recovery software to see if that maybe helps