Recent content by cmbs2018

Thanks for your help. As I said before, I change my motherboard. Now I use Gigabyte Z390 Auros pro wifi as my motherboard and it turns to be no blackscreen right now. Even no one times since then. Hope this action may help people here. Thanks again.

Thanks for your help. I nearly forget the big sur. I forgive up this. From beta 1 to beta6, I try everything I can but no use. Thus I perfer to use catalina instead. It performs well now. I'd like to change my motherboard when big sur comes eventually. Thanks again.

I replace it and reset the nvram. But the bootloader cannot boot the big sur on my pc. It seems to be wrong with the graphics. I haven't seen it clearly. Maybe tomorrow I will try again or give up this issue. Thanks

OK，I've got it. I will try it now and give you the feedback. Thanks

Yes,No problems on catalina but on big sur the black screen exists from beta1 to beta4 and public beta. My bios version is 1037.140.50.0.0, the newest version of Z390 GAMING PLUS. I try to install the old version. But the problem still exist. So, I really don't know what I should do now. Since...

I set the bios as above. But only the first time I run MACOS that I can get in without black screen. Then I reboot, It turns to get a black screen again. And after that, I cannot start macos any more. If it is caused by my motherboard? Thanks for your reply.

If anyone can give me some suggestions or notice? Thanks.

Thanks for the bootloader you provide. I replace it and clean nvram. But I get a blackscreen again. The monitor doesn't have any signal and even backlight. Then I attach the "agdpmod=pikera" to the boot-args. The monitor turns to have signal and backlight but also blackscreen as the efi I give...

Thank you very much for your suggestion. After finish the work I'm doing. I'll try it and give you the feedback. Thanks again.

My motherboard is MSI-Z390-GAMING-PLUS,and cpu is i7-9700k，graphics is RX5700，it works all well on catalina.But on big sur,my monitor get black screen forever.Only the first time after installation, the monitor works well. I nearly try everything I can find , the below is what I try. 1. change...