If you try to write it to SD card and boot from there it won't work. CM4 are specifically designed to use e-MMC OR SD card on the lite version only.
These are well known issues.
ALREADY SOLVED
I had run some scripts for configure the safe shutdown screen and it was not necessary, so I was makeng the problem myself XD sorry for the inconvenience
@avepym hello
Une mise à jour depuis la V7 n'est pas possible. Trop de modifications depuis ces versions. Prends la dernière en cours et installe la (prends bien la version GPi case + Pi0)
