What exact Mac OS X version and Elgato product do you use with what exact Mac?
To find out what Mac OS X version you run, click > About This Mac:
To find out, what exact Mac model you use, click > About This Mac > More Info > Hardware Overview:
To see a more elaborate image explaining the above steps, click here.
To see a more detailed video tutorial showing the above steps, click here (2 MB, 23s, .mp4).
And did it work before or did you just purchase the Elgato device?
Does it also happen in another, even temporarily created, user account?
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