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Optiplex 3050 Micro: Seeking help to setup dual monitor

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Hi, I am trying to make my HDMI to work but unfortunately it displays no signal / black screen.
I've tried the opencore patching thing but no luck.

My Display Port is working, please can someone assist? 


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You're gonna need to be a little more forthcoming with info if you expect assistance. Please post:

  • system's specs
  • zipped OC EFI folder
  • debug info such as a zipped copy of an IOReg extract
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