An Nguyễn Posted August 30, 2020 Share Posted August 30, 2020 Hi @all, I am using dell precision 5510 - I7 6820HQ, 16GB, 512GB, 4K screen. I installed macOS 10.15.6 with open core version 0.6.0. But I can't wake up from sleep. It has been black screen while the keyboard and power button are still active. My EFI EFI.zip Link to comment Share on other sites More sharing options...
Moderators Jake Lo Posted August 30, 2020 Moderators Share Posted August 30, 2020 Might need an EDID patch Link to comment Share on other sites More sharing options...
An Nguyễn Posted August 30, 2020 Author Share Posted August 30, 2020 Can I fix EDID this way?https://github.com/mrhuy92/Dell-Percision-5510-OSX/tree/10.15/Dell 5510 4K EDID Or do I have to inject Custom EDID into config.plist. Link to comment Share on other sites More sharing options...
Moderators Jake Lo Posted August 30, 2020 Moderators Share Posted August 30, 2020 try and see Link to comment Share on other sites More sharing options...
An Nguyễn Posted August 30, 2020 Author Share Posted August 30, 2020 I tried the first way, but it does not work. if I create custom edid, I don't know where to put it in open core Link to comment Share on other sites More sharing options...
Moderators Jake Lo Posted August 30, 2020 Moderators Share Posted August 30, 2020 create a kext, I think Hackintool.app has that option Link to comment Share on other sites More sharing options...
An Nguyễn Posted August 30, 2020 Author Share Posted August 30, 2020 I created kext from FixEDID app and used this kext in OC, But it does not work. I will try your solution. Can you share your EFI with me? Link to comment Share on other sites More sharing options...
Moderators Jake Lo Posted August 30, 2020 Moderators Share Posted August 30, 2020 I don't have 4k display, only 1080p so no issue on my end. Try this boot arg igfxonln=1 Link to comment Share on other sites More sharing options...
An Nguyễn Posted August 30, 2020 Author Share Posted August 30, 2020 it seems to work, I'll test it for a few more days. Thank you very much Link to comment Share on other sites More sharing options...
An Nguyễn Posted September 3, 2020 Author Share Posted September 3, 2020 I tested a few days. This solution does not work. I am researching for a new solution for this problem. Link to comment Share on other sites More sharing options...
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