EvangelionDeath, закомментировал, перезагрузил - не помогло.
решил сделать по мануалу, но ddcprobe не определил range
sudo ddcprobe
vbe: VESA 3.0 detected.
oem: NVIDIA
vendor: NVIDIA Corporation
product: BIOS-P/N@N10041 Chip Rev
memory: 14336kb
mode: 640x400x256
mode: 640x480x256
mode: 800x600x16
mode: 800x600x256
mode: 1024x768x16
mode: 1024x768x256
mode: 1280x1024x16
mode: 1280x1024x256
mode: 320x200x64k
mode: 320x200x16m
mode: 640x480x64k
mode: 640x480x16m
mode: 800x600x64k
mode: 800x600x16m
mode: 1024x768x64k
mode: 1024x768x16m
mode: 1280x1024x64k
mode: 1280x1024x16m
edid:
edidfail