The boot to installer is extremely long (1 hr total time). If the Catalina is working, all we need is to update those above and make sure to get the new Lilu.kext (14.9), WhateverGreen.kext (14.4), AppleALC.kext (15.4) and everything should work. For error “waiting for root device”, make sure to have USBInjectAll.kext installed. macOS Big Sur, the latest version of the world’s most advanced desktop operating system, is now available to Mac users as a free software update. The DW1820a must have an argument on boot brcmfx-driver=2 for the WiFi to work. Unzip OpenCore and then go to /Utilities/macrecovery/. Make sure to download the zip file for the most recent release. The SMCBatteryManager.kext no longer works, need to use ACPIBatteryManager.kext from Rehabman for the battery to display. The first step to creating a macOS installer on Windows is to download OpenCore. I also need to install CtlnaAHCIPort.kext to be able to see the SATA internal hard drive. Internet Connection 1 Mbps modem (Broadband connection highly recommended). 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. Operating Systems macOS Big Sur 11 or later (macOS Catalina 10.15 not supported) RAM 2 GB or more recommended. 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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