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Hello everyone, I have Apple Cinema Display 24 inches connected to Dell 690 by "Kanex XD HDMI to Apple" the display working well. But I can not get the sound from the built-in speaker and cannot adjust the brightness. I know with Apple Cinema Display, both sound, and brightness controlled by...

@RehabMan Could you please take a look at my situation? I tried, but no luck: - Repair permissions - Restart - Boot without caches - Rebuild cache with kext wizard - Reboot 2x Any help will be appreciated,

Hi, I got error message when install EL Capital on Dell Precision :banghead::banghead::banghead::banghead:: Panic (CPU 0 caller 0xffffff801b0d0c24): "Unable to find driver for this platform... Hardware list: - Dell Precision T5400, 2 CPU Xeon 5160 3.0GHz - Bios version A02 - Graphic: GT 740...