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Joaquin Laiño Rodriguez

sony vaio black screen

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I have installed and all ok mavericks. but it only works the monitor connected by hdmi. I read that the solution to the problem may be with the adress of EDID. 
someone can ayudame¿? 
this my laptop 

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I have the same problem on a Sony Vaio laptop (VPC-CW29FX). I've tried the guide Niresh posted specifically for this issue. After backing up the kexts and rebooting, the internal display does work, but qe/ci is disabled. As soon as you reinstall the default kexts, the internal display stops working. There's got to be a way to make this work.

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