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External display not working post Yosemite

Using a mid 2010 MBP since Yosemite upgrade am no longer able to use Samsung TV as an external display. Any ideas for how to fix this ?

Posted on Oct 18, 2014 8:35 AM

17 replies

i had the same proplem n i powerd the mac of then i pressed the comand p,r butings after i presd the power ,then restart the mac

every thing went well

This worked! Thank you.

External display not working post Yosemite

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