Hello! So I had a 5DM2 that I happily used for a few years before upgrading to the Mark IV. When I stopped using the MarkII, everything was working on it. It sat unused with my other gear for 3-4 months and then I pull it out to take a picture/compare the colors of the two cameras, and the autofocus is no longer working.... I push on the shutter halfway and nothing happens. And yes, I checked to make sure it was in AF and not MF. What else do I need to check? I want to keep it as my backup camera, but super frustrated the the AF isn't working.
Andy advice is appreciated!
You gotta go down the tedious road of troubleshooting. Try a different lens, another battery, charger, remove any battery grip reset the camera, etc. Everything that can effect a camera needs to be tried with something else.
I very rarely suggest anyone clean the contacts between the lens and camera but in your case it might be a good idea. Alcohol (not JD Black ), the rubbing kind, and a q-tip will do it.
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