antialias Posted February 5, 2017 Author Share Posted February 5, 2017 Thanks JakeLO Link to comment Share on other sites More sharing options...
Moderators Jake Lo Posted February 5, 2017 Moderators Share Posted February 5, 2017 When I connect HDMI to external monitor then laptop monitor is blinking, external monitor is not recognised in system settings, and there is no signal on external monitor. I'll connect it again and run IOReg. Did you switch the signal on the monitor to HDMI rather than DVI? This is strange. I connected HDMI to HDMI-DVI adapter and immediately got signal on the external monitor. But it's not mirroring properly. No dock on the external monitor, and no open apps showing. Also no mouse cursor. The IOReg does not show anything connected to external monitor, did you export the IOReg without the monitor plugged in? Well at least it's working now. Does HDMI audio work with the DVI adapter? Link to comment Share on other sites More sharing options...
antialias Posted February 20, 2017 Author Share Posted February 20, 2017 1. Stupid me, input was set to DVI, now it works with pure HDMI without DVI adapter. 2. My monitor doesn't have speakers, and I didn't try to connect the laptop to TV yet. One question: Do I need to make some changes to EFI if I want to upgrade to Sierra? Link to comment Share on other sites More sharing options...
Moderators Jake Lo Posted February 20, 2017 Moderators Share Posted February 20, 2017 No, you should be able to upgrade directly like a real mac Link to comment Share on other sites More sharing options...
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