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モデル番号A1312 / Mid 2011 / 2.7 & 3.1 GHz Core i5もしくは 3.4 GHz Core i7 Processor, ID iMac12,2

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Air Play syncs sound with tv but screen stays black (Apple TV)

Hi Folks, my iMac 27" mid 2011 won't sync a picture with my tv over the apple tv 4 gen. Sound is working fine. With iPad or iPhone it works perfectly so its not the Apple tv or the tv. Anyone some ideas?

Installed Air Parrot to test it and with that it works fine.

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How far away is the imac? Have you tried to move it closer to the tv?

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about two to three meters, the funny thing is that it works fine with Air Parrot....

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I solved it finally, read in an forum that some kernel extensions from an previous AirParrot installation caused the problems. That did not solve at first, thought about duet , and erased that extension files too, now everything works fine. I think I will write airparrot and duet support about these problems.

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I solved it finally, read in an forum that some kernel extensions from an previous AirParrot installation caused the problems. That did not solve at first, thought about duet , and erased that extension files too, now everything works fine. I think I will write airparrot and duet support about these problems.

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Steppe さん、ありがとうございました!
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