The Canon EOS 5D Mark II is a 21.1-megapixel full-frame CMOS digital single-lens reflex (DSLR) camera with video recording capabilities.

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Camera stuck in permanent 'auto' mode

No matter what setting my camera is dialed too (M, Av, Tv, etc...) it operates as if it's in 'auto' mode. I can appear to adjust ISO, F-stop, etc... but nothing changes. The camera makes all the lighting choices on it's own. Any ideas on how to fix this or cost of fixing this issue?


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Hi Shannon,

That is definitely a weird problem. Did you try to go into the quick menu and change the settings there? Those should be adjustable with a few combinations of knobs and dials.

If this does not work, try resetting the camera to factory defaults.

This is an option in a settings or gear menu, toward the bottom.

Resetting to factory defaults wipes any custom settings ans sets your camera back to how it came from canon. This does wipe your custom button settings (C1, C2), so keep that in mind. Also, make sure your data on your SD (or CF) card is backed up before resetting.

Also, If the camera starts working well again, make sure to start the camera off right with an in-camera formatted media card. Make sure to backup your photos and videos first! A lot of cameras develop errors if the media card is not formatted from within the camera. A windows or mac format will not do.

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Thanks! That seemed to do the trick AND saved me $300. Awesome.


Great! Which solved the problem? The factory reset? Just curious.


Yes, the factory reset seemed to do the trick. Thanks again!


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Shannon Runyon will be eternally grateful.
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