Linux系统一段时间自动黑屏,ubuntu 系统在播放视频时，一段时间后黑屏

Solution 1:

Edit /etc/X11/xorg.conf file using the following command

sudo vi /etc/X11/xorg.conf

Section "Monitor"

Identifier    "Generic Monitor"

Option        "DPMS"

EndSection

and add the following lines

Section “ServerFlags”

#other options can go here

Option “BlankTime” “0″

Option “StandbyTime” “0″

Option “SuspendTime” “0″

Option “OffTime” “0″

EndSection

Save and exit the file

Solution 2

Edit /etc/X11/xorg.conf file using the following command

sudo vi /etc/X11/xorg.conf

This effectively disables power management on your monitor Settings

Section “Monitor”

#other options can go here

Option “DPMS” “false”

EndSection

Save and exit the file and restart your machine

Solution 3

gconftool-2 --set  /apps/gnome-screensaver/idle_activation_enabled --type＝bool  false

gconftool-2 --set /apps/gnome-power-manager/ac_sleep_display --type=int 0

Solution 4

gnome-screensaver-command –inhibit

Solution 5

gnome-screensaver-comand –poke

Solution 6

xset s off

xset -dpms

Solution 7

xset dpms 0 0 60

#60 is the seconds

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