Hi, Thanks for the reply. Yes, I forget the copy part at the end. I copied the files and I changed the partition UUID in the fat32/cmdline.txt and ext4/etc/fstab. In the first boot try, I saw the 4 raspberrys and some scroll of texts and a whilte box and then just the black screen. When I try reboot...

Hello, I was following https://www.raspberrypi.org/documentation/linux/kernel/building.md to cross compile raspbian and boot RPI4B using it for test. I ran the install command but all I see in the ext4 partition is {lib and lost+found}. and in fat32 partition, there are only bunch of .dtb files and ...