For error “waiting for root device”, make sure to have USBInjectAll.kext installed. The DW1820a must have an argument on boot brcmfx-driver=2 for the WiFi to work. The SMCBatteryManager.kext no longer works, need to use ACPIBatteryManager.kext from Rehabman for the battery to display. I also need to install CtlnaAHCIPort.kext to be able to see the SATA internal hard drive. To use OpenCore to boot, we need 0.6.3+ version, I did use 0.6.4 to be able to boot into the flash drive. This OS did change quite a few things that will not work with the older Catalina setup. This post will show how I installed on my Windows Laptops and Desktops. The macOS Big Sur 11.2.1 is officially released for download and upgrade.
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