I used to have that back when I had a Macbook, but now my son as confiscated the gaming PC because it's more powerful than his laptop. I've tried to set my lap

I used to have that back when I had a Macbook, but now my son as confiscated the gaming PC because it's more powerful than his laptop. I've tried to set my laptop to dual boot Windows/PopOS, but it refuses to boot to PopOS.