passado compromisso patrocinador ubuntu without monitor por favor confirme Tente sete e meia
Ubuntu: Ubuntu Server 18.04 doesn't boot without monitor connected - YouTube
display - Finding the number assigned to monitors (i.e., system with more than one monitor connected) by ubuntu using gsettings command - Stack Overflow
Configuring the Second (and/or Third) Monitor in Ubuntu - Make Tech Easier
Enable SSH on Raspberry Pi OS Without a Monitor - Pi My Life Up