In Mojave it's OK....I'm just using it....no problem... (Catalina still crazy)
I tried all, pikera too.... Very strange....I saw something in the logs about not sufficient energy to that port (DVI and HDMI same connector) right before "Login Screen"
Already with igfxonln=1...no change....
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megamac2020 started following Laptop Black Screen after apple logo when HDMI is connected
Hi....this is the problem.... 1-) Boot with HDMI connected: - After Apple logo, laptop display goes black / HDMI monitor as secondary display normal; 2-) Boot with HDMI disconnected: - Laptop display normal, then after Login screen I connect the HDMI display and get the two displays with image; ps: MacOS Catalina is installed... This is driving me crazy😃😃😃😃....any help??? Lenovo Yoga 710-15ISK Intel HD520 Thank you! config.plist.zip