Error

“Shutting down firmware services… Using 'simple offset' UEFI RTS mapping policy Relocating modules and starting up the kernel…”

Solution

There is a setting option in the PC motherboard called CSM Compatibility Support Module. The motherboard is disabled by default, and enabling CSM can support UEFI booting and non-UEFI booting. Therefore, if you need to start traditional MBR devices, you need to enable CSM.