Memory card or camera ?

Started 6 months ago | Questions thread
Alex Ethridge
Alex Ethridge Veteran Member • Posts: 4,994
The first thing I would try:

It being an intermittent problem that seemed to clear itself when moving it from camera to computer, the first thing I would do is clean the card's contacts with a pencil eraser, then wipe with denatured alcohol.  (Pencil erasers leave a residue of their own, thus the alcohol.)

I have done the same for the contacts in the camera, can't hurt (if you're careful).

Soft pencil erasers have a very mild abrasive in them and are perfect for cleaning electrical contacts.

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