Mike <debian@norgie.net> writes: > Thinking back, I seem to recall the issue with the screen turning off > started after I switched from Nouveau to the Nvidia driver. It fixed > the issue I had with X but broke my console. I think I had a similar issue some years ago and these two lines /etc/default/grub helped: GRUB_GFXMODE=1920x1080x32 GRUB_GFXPAYLOAD_LINUX=keep The latter especially. And yes, I'm also using Nvidia proprietary drivers.