Canon 600d card problem??

[Frey]

while viewing pictures iv taken the my canon 600d view finder on some photos the image does not display but a message saying "cannot playback image".... when I put the card in the computer the photographs are there....any information would be appreciated.

 

[jackthekipper]

Have you used this card in another camera?
Try formatting the card in the 600D itself if you haven't done so already.

 

[gblades]

And make sure you tick the low level format option when you do.