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

Mar 1, 2015 2:42 AM in response to Alexis Devereux

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

Mar 13, 2015 7:45 AM in response to mofasa nile

This worked! Thank you.

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External display not working post Yosemite

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