Kostua Posted August 12, 2017 Share Posted August 12, 2017 Installed Sierra on Latitude E6230, BIOS A11, Core i5-3320M 2.6GHz, 4Go DDR3-1600, Intel HD 4000, 1366x768 by the following this guide. All work except hdmi out. I connect external monitor ASUS VW246H 1920 x 1080 it recognized in a system but on screen only "no signal". But if I checked "mirroring" in display setting and change refresh rate to 50 Hz - the image appears. But after reboot still "no signal" situation. Ok, I try to connect LG TV image appear at boot time and works fine but after reboot "no signal". Maybe it's а hardware related problem, but same setup and ubuntu work fine. Any idea? Link to comment Share on other sites More sharing options...
Administrators Hervé Posted August 13, 2017 Administrators Share Posted August 13, 2017 Did you patch the Capri framebuffer kext? Link to comment Share on other sites More sharing options...
Kostua Posted August 13, 2017 Author Share Posted August 13, 2017 Did you patch the Capri framebuffer kext? No. How to do it? Didn't see in your guide. Link to comment Share on other sites More sharing options...
Moderators Jake Lo Posted August 13, 2017 Moderators Share Posted August 13, 2017 post #2 See also here Link to comment Share on other sites More sharing options...
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