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Questions tagged [dpms]

15 questions
25
votes
1 answer

Is there any difference between standby, suspend and off DPMS modes on LCD dislays?

All three of these modes seem to have the same effect on my display. Same blanking and waking time. Are there any differences in power consumption or something else?
modular
  • 385
13
votes
3 answers

Don't let the mouse wake up displays from standby

I like to put my displays to powersave/standby mode when I leave the computer for a while. It would be ok if it weren't for oversensitive mouse. Sometimes the driver reads in some movement that's not visible to the naked eye (the cursor, that is)…
mike3996
  • 1,611
5
votes
0 answers

How to determine which Linux program is keeping monitor awake?

After I lock the screen and leave my machine alone, sometimes the monitor sleeps after some delay but sometimes it doesn't. I have already set system settings to allow monitor sleeping but I suspect some errant program is quietly preventing the…
Syncopated
  • 463
4
votes
2 answers

Linux: Prevent keyboard turning screen on under X

I'm trying to bind a key (using xbindkeys) to turn my monitors on/off under X. So far I have the key bound to this script: #!/bin/bash MOUSE="Logitech USB-PS/2 Optical Mouse" if [[ ! -z $(xset q | grep "Monitor is On") ]]; then logger "Turning…
Rena
  • 141
3
votes
3 answers

Is there a way to turn one monitor off in a dual-head setup?

Is there a DPMS option to turn one monitor off in a dual-head setup? I know the following can turn both off: xset dpms force off
gatoatigrado
  • 1,755
2
votes
1 answer

Xscreensaver causing my monitors to turn off and on repeatedly when its power management features are active; how to fix?

Something weird is up with my Xscreensaver 5.15 configuration on Debian Wheezy. I have two Dell U2412M monitors hooked up to a single graphics card (one over native DVI and one over HDMI output to DVI input). When I disable power management through…
user
  • 30,336
2
votes
1 answer

Suspend Screen Command under Gnome

I'm looking for a way to easily suspend the monitor in Ubuntu 9.10. I have xscreensaver set up, and it properly turns the monitor off after showing screensavers for a while. Most of the time that's the right thing, but when I leave my computer I'd…
Jason Owen
  • 530
2
votes
2 answers

Is there a way to turn off one Monitor in a Multiheaded setup like dpms force off does for all at once?

I have a multi-screen computer with serveral monitors. Some of the monitors are also connected to other computers. I want to explicitly switch off the signal to one of the monitors without changing the desktop layout and without switching off the…
j.l.
  • 123
2
votes
4 answers

Linux setterm -powersave - error: "cannont (un)set powersave mode"

I'm trying to completely powerdown the backlight of an LCD panel which is built into a device I'm using. Although the screen blanks, you can still see a glow from the backlight in a darkened room. I think that (as root) I should be able to do this…
Bob Sammers
  • 226
2
votes
1 answer

How do you turn off monitors individually in Linux, with Nvidia TwinView?

I frequently watch movies on my computer, but I have two screens. So having something displayed on the other monitor is annoying. I currently use this to turn off my monitors: xset dpms force off I was wondering if there's any way to turn off…
Neil
  • 5,749
1
vote
2 answers

xorg DPMS off: keep VT from turning screen back on

I have an embedded board with a small UPS. When AC power goes down, I need to turn off all power hungry devices in order to have a clean shutdown. First thing I do, is set DPMS to force powerdown, then go through the usual SIGTERM/SIGKILL/umount…
Metiu
  • 257
0
votes
5 answers

DPMS, keep screen off when lid shut

I have a laptop running linux. In my xorg configuration, I have DPMS setup so that the screen automatically turns off during several events. In addition to that I have to the following script tied to ACPI lid open/close events: #!/bin/sh for i in…
Evan Teran
  • 113
0
votes
0 answers

What are the other shortcuts available for "powerdevil invokeShortcut"?

The following command turns off a screen when running KDE with Wayland: qdbus org.kde.kglobalaccel /component/org_kde_powerdevil invokeShortcut "Turn Off Screen" I see that whenever I look it up. But why does it do that? What's…
eje211
  • 331
0
votes
0 answers

Screen turns black after 2 minutes of inactivity

Fresh Debian install with XFCE and then installed i3wm which I mainly use (selecting it during login). I've tried several approaches, such as xset s off -dpms, xset 1200 1200 1200 and other use of xset. I've added the following configuration to…
Sumak
  • 109
  • 3
0
votes
1 answer

Keeping the Screen Turned off While Getting Inputs

I need to run a set of (graphical) benchmarks with the screen disabled. The following command did not work: xset dpms force off Because any keyboard/mouse input would re-enable the screen. The other option was the following: xrandr --output eDP-1…
TheAhmad
  • 101