Package: nvidia-driver Version: 375.20-4 The screen blanks, but the backlight is never turned off.
It seems like DPMS is not enabled? $ xset -q [...] DPMS (Energy Star): Standby: 0 Suspend: 0 Off: 0 DPMS is Disabled This is the card: $ nvidia-detect Detected NVIDIA GPUs: 01:00.0 VGA compatible controller [0300]: NVIDIA Corporation GK208 [GeForce GT 730] [10de:1287] (rev a1) DPMS used to work on the same hardware when it was still running jessie.