Niresh Big Sur Here
Secure Boot, Fast Boot, Serial Port/COM Port, VT-d (if possible), CSM (Launch Storage OpROM policy set to UEFI only). Step 3: Booting the Installer
It eliminates the need for advanced terminal commands to create the installation media. niresh big sur
UEFI Boot Mode, AHCI Mode (for storage), Virtualization (Intel VT-x / AMD-V), Above 4G Decoding. Secure Boot, Fast Boot, Serial Port/COM Port, VT-d