EOS 5D Mark III stopped seeing card, OK in EOS 2000D
I don't know, maybe what I did was stupid, but I was using 64 gb cf SanDisk and 64 gb lexar SD cards in my 5d mark iii. I plugged in my lexar card to my ThinkPad via built-in card reader in my laptop and when I put it back to my camera it doesn't see...