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Built-in display problem with connected HDMI


Narek-T
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Built-in monitor works, but its show only black screen. When I adjusting brightness it affects to built-in display. Black screen becomes brighter or darker.
When I remove HDMI and start os without second monitor, built-in screen works fine. The problem only when I start os with connected HDMI monitor.

​When I hot plug HDMI after booting - both monitors work fine..

 

The problem appears after install brightness control (dsdt patch and ACPIBacklight kext)

 

laptop Acer 5750G/2630QM/HD3000/HM65 with Mavericks 10.9.4.

 

darwin dumper zip

http://www.dropbox.com/s/qav8uvq4g7uhiyv/DarwinDumperReports.zip?dl=0

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