HT201177: Get help with video issues on external displays connected to your Mac

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Q: cant turn on my imac just a black screen which i never shut down to begin with

help i walked in to find my imac with a black screen and i cant turn it back on has this happened to anyone else? how do i get it back on

iMac, Mac OS X (10.7.4)

Posted on Sep 3, 2012 6:06 PM

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Q: cant turn on my imac just a black screen which i never shut down to begin with

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