Video off i bios ?

Video Off option
This specifies the power saving state that the VGA video subsystem enters after the specified period of display inactivity has expired.

Always on: System BIOS will never turn off the screen, the video is always on.
Suspend: The video is set off when the system enters SUSPEND mode.
Older boards may include other options:
Susp, Stby => Off: Screen off when system is in STANDBY or SUSPEND mode.
All modes => Off: Screen off when system is in DOZE, STANDBY or SUSPEND mode.

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Video Off Method
This field defines the video off features. The method of video power saving. There are three options.

Blank Screen: The BIOS will only black the screen when the system gets into power management mode and writes blanks to the video buffer.
V/H SYNC + Blank: Writes blanks to the video buffer, and turns off the vertical and horizontal scanning.
DPMS: Allows the BIOS to control the video display card if it supports the DPMS feature.