I found that I can edit my banner which I am currently not concerned with. I looked at my profile and it shows my activity. Could it be that the motherboard audio chip is responsible for the video card audio packets it sends to TV via HDMI? I now start to understand that the Realtek 887 or 888 I have may have nothing to do with the video card and is on motherboard. I also remember following the steps of enabling native audio but it is cleared from my memory what it was. I may have read other guides too but since they all include links to each other it is easy to lose track of which was which.īasically what I did was remove kexts and lines from Clover from previous attempts and add the layout 7 string to clover and two recommended FakePCIID kexts. Results may differ if it is connected to an Apple Display.Thank you for your response. It seems like Apple did not make HiDPI mode to work coherently when connected to any external monitors. But there’s a catch… Again, cannot select any settings that is HiDPI otherwise the CPU will start to throttle again. So I use SwitchResX to adjust the resolution. But that’s not an ideal resolution to work with (1650x1050). When I reset the main display’s resolution to default the MPB is back to normal and works just fine. Took a lot of time digging around the internet until ironically I stumble upon a Youtube video showing similar issues referring that the culprit is HiDPI scaling. And any type of streaming especially Youtube will stutter having trouble loading videos smoothly. If I set any type of scaling within system preferences Kernel_task cpu usage will shoot up to 500% within minutes.
And what caused the problem for my system is simply Apple’s HiDPI scaling. One is connected directly to the MBP and the other one is connected as a pass-through a CalDigit TS3+ dock and with Airplay on the Apple TV. I have a 2017 MBP 15 inch hooked up to 2 monitors via USB.
I was experiencing extremely HIGH Kernel_task CPU usage whenever I was trying to stream on Youtube.
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