i had a black Screen Of Death on macOS Big Sur 11.01 after boot with High Sierra on a USB hard disk.
And returning to Big Sierra. i got this screen:
This is the second time it happens, Until now i am sure that was the cause.
Big Sur 11.01 boots opencore 0.63 on a SSD PCIE Western Digital...
I have a similar problem the first time when installing after changed the bootloader from clover to Opencore (Cause with clover Catalina never update nor from Installing from USB).
In the first reboot I was in panic!, no sachtarget disk in OC menu. then try with USB, the same thing, but I let...
Since Public Beta 2, I had updated from Mojave 14.6, and had no video acceleration.
My motherboard Asus Z370A Prime (not II) with i3 8100 with UHD 630 (0x3E91),
I used igfx id 0x59120000 and multibeat intel HD 630 since high Sierra and worked.
I konow have tu do some kind of framebuffer work...
Captura De Pantalla 2018-12-07 A La(s) 22.01.39 by anton56 posted Dec 7, 2018 at 10:19 PMAfter Upgrade to Mojave 10.4.2 on one disk, I have this green-purple screenshot. really i don't know what to do to revert it.
Rehabman answered tgis post, Thank's.
but I don´t have that techinal background. I must learn more details.
Finally for my build Z97-HD3, I5 4690K, 8GB DD3, INTEL HD4600, AND NO USB 3.0.
In Clover found that change definition from 14.2 to 15.2 Voilá USB 3.0 worked!.
Hope somebody also work.
after upgraded from El Capitan to macOS Sierra every seens worrk until connected a USB 3.0 external hard disk.
and nothing appears. reconnect to USB 2.0 port and works.
Tried to reinstal kext with multibeast 8.2.3 and nothing.
My system is a gigabyte Z97-HD3 i5 4690K, 8Gb fury memory, 2Tb...
Buying advice?. No I do not.
But Yesterday i noted that after install macOS Sierra form USB and later rebooted to El Capitan there was another entry in the bootloader menu. Install OSX El Capitan. more or less.
today in the morning I boot without USB and run that entry and was the Sierra...