D40 problem with cards
I've searched but not found my particular problem:
I am getting a "card cannot be used..." error message with all my SD cards in my D40. At first I thought it was a particular card but it's not - it happens with all 4 of my cards. The cards are of varying ages and makes. I might get several shots before the error. All the cards have been formatted in camera to no avail.
Before I send the camera to Nikon for repairs, is there anything else I can try?
Thanks for taking the time to help.
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