ankarastrix Posted August 21, 2020 Share Posted August 21, 2020 I have a problem, I select the "sleep" option from the menu, the mac goes to sleep but does not "wake up" (screen). I can't even change smbios from iMac17.1 to iMac18.1 + when I change the mac it boots, the progress bar and apple icon are visible and then the screen goes off. config.plist Link to comment https://www.insanelymac.com/forum/topic/344905-big-sur-wakesleep-problem/ Share on other sites More sharing options...
ham4ever Posted August 21, 2020 Share Posted August 21, 2020 add igfxonln=1 in boot arguments. updated to the latest kexts (especially WhateverGreen) 1 Link to comment https://www.insanelymac.com/forum/topic/344905-big-sur-wakesleep-problem/#findComment-2735029 Share on other sites More sharing options...
ankarastrix Posted August 22, 2020 Author Share Posted August 22, 2020 Works ! Thanks man. Link to comment https://www.insanelymac.com/forum/topic/344905-big-sur-wakesleep-problem/#findComment-2735071 Share on other sites More sharing options...
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