HT203404: Apple computers: Black screen or unresponsive Mini DisplayPort display after sleep
Learn about Apple computers: Black screen or unresponsive Mini DisplayPort display after sleep
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Helpful answers
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Jan 8, 2015 10:15 AM in response to Musa Hendersonby Rudegar,my external monitors with mini display port to dvi have woken up after sleep on lion->mtn lion->mavericks->yosimite
without any problems on my mid 2011 imac 21" amd video card so maybe it's a problem with your monitor or connection type to the monitor or the video card in you mac ?
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Jan 12, 2015 1:46 AM in response to Rudegarby Musa Henderson,they have woken up before without a problem, the post i linked this too speaks about a 'fusing of connectors', i have tested the monitors with other cables and the have worked fine when coming out of my MacBook Pro, i have also tried the iMac with a cable that is working on another device and it doesn't work.
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Feb 24, 2015 8:00 AM in response to Eric Rootby Musa Henderson,Thank you but this article leads me back to my original query