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Questions tagged [dpms]

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How can I find out when the computer monitor's inactivity timeout is triggered and what process triggers it?

I want to use slock to lock the screen when the screen's inactivity timeout switches the monitor off or into standby and want to know what process triggers it, or how it is notified to the system. Is ...
vfclists's user avatar
  • 7,125
1 vote
0 answers
179 views

4k 144 Hz monitors never get signal again after turning off

Problem Description I recently got some 4k 144 Hz monitors, and they perform great when they do work. The problem is, whenever I turn them off via the monitors' power buttons, or whenever they go ...
crs's user avatar
  • 11
1 vote
0 answers
45 views

DPMS & PowerSave on laptop

I have an HP PowerBook 440 G4 with Debian Bullseye & BSWPM installed. My locker is lightdm with slick-greeter without a screensaver. My xset q says: DPMS (Energy Star): Standby: 600 Suspend: ...
Mafsi's user avatar
  • 113
1 vote
1 answer
181 views

Something changes DPMS settings

I want my LCD-display to turn off after some time. Not display black image. Displaying black image is pointless because it drains a few Watts more than white image. To do this I'm launching xset ...
yarolig's user avatar
  • 81
1 vote
1 answer
960 views

Turn off monitor backlight (DPMS) from a VC/VT (TTY) without Xorg/Wayland-DE

How does one flip a monitor's backlight on/off from the normal Linux console (tty1)? I'm looking for a way to do this without dependencies on Xorg or specific Wayland-Compositors. Let's say, that I ...
anick's user avatar
  • 420
1 vote
0 answers
327 views

Finding out which process inhibits monitor sleep, even after setting DPMS flags

My screens aren't turning off, using xset to set dpms off, suspend or standby they always turn on again. I know a way to figure out what event caused the system to wake up from suspend, but I haven't ...
Braiam's user avatar
  • 35.2k
1 vote
1 answer
510 views

Disable energy saving settings completely? HDMI signal lost (DPMS and screensaver already disabled)

On my MX Linux XFCE environment I have the problem that after a certain time without interaction after power on the HDMI signal is lost and can only be retrieved with pressing a keyboard key. I would ...
Mike's user avatar
  • 121
4 votes
1 answer
564 views

Why does X11 stop putting my screen to sleep after several standby/resume cycles?

For several years (~2012-2020) and over multiple computers (AMD/Intel of various vintages, S3/AMD/Intel graphics), I've observed what appears to be a curious, DDX-independent bug in X11. Occasionally, ...
i336_'s user avatar
  • 967
3 votes
1 answer
4k views

Xephyr: server does not have extension for -dpms option

when I open new openbox session in Xephyr, the screen goes blank after 10 minutes of inactivity. How can I disable this ? I tried this command: xset -dpms s off but get following error: server does ...
400 the Cat's user avatar
2 votes
2 answers
1k views

DPMS does not standby my Samsung monitor

I own a pretty old Samsung BX2250 monitor, which I would like to be able to set to standby using dpms, like xset dpms force off The expected result is the monitor going to standby. The actual result ...
MP Felder's user avatar
  • 128
1 vote
0 answers
322 views

dpms keeps turning itself off periodically

original problem: on waking from screensaver/standby (not sure which), Xorg squishes dual monitors into a single screen, which I can't seem to undo without service xdm restart (I know of on way to ...
ninjagecko's user avatar
2 votes
1 answer
1k views

"xset dpms force off" also logout from desktop

I'm using Arch Linux with Gnome as DE and lightdm as display manager. I have a keyboard shortcut with the xset dpms force off command for turning off the laptop monitor. When I execute this command ...
Milad ABC's user avatar
  • 173
0 votes
2 answers
2k views

When using VLC, why does my screen saver keep waking up?

XScreenSaver uses DPMS to turn my laptop screen off. I'd like to find out why it's waking up to the prompt again. I enabled logging with log, but it shows nothing useful, xscreensaver: 22:04:21: ...
Evan Carroll's user avatar
  • 26.9k
2 votes
2 answers
2k views

Turn off, not stand-by, console tty1 video

I want the opposite of what seemingly everybody else wants: on my plain old character mode tty1 console directly served by the video card of my bare metal Debian 8.10 Jessie box, I want the screen ...
Bote Man's user avatar
2 votes
0 answers
787 views

How to turn display off and ignore mouse movement?

I'd like to put the built-in display into standby (E.G. xset dpms force off) and keep the display off even if the mouse moves. That is, I want to ignore mouse movement for the purposes of waking the ...
Josh's user avatar
  • 8,231
1 vote
0 answers
286 views

MPV seems to change dpms setting

Context I am runnning a Debian Stretch distribution with Cinnamon graphical interface. I use this command to turn off the display xset dpms force off It is useful to me when I want to sleep and ...
Smilia's user avatar
  • 300
0 votes
2 answers
376 views

Debian DPMS - Mplayer

Context I am runnning a Debian Stretch distribution with Cinnamon graphical interface. I use this command to turn off the display xset dpms force off It is useful to me when I want to sleep and ...
Smilia's user avatar
  • 300
3 votes
0 answers
557 views

Nvidia driver/X only works on external Monitor [Display Port]

after failing to get Bumblebee to work with my External Monitor (xrandr didn't "see" it), I reinstalled Debian. I a Nvidia Dev Forum tread (don't find it atm) installing the 384 was recommended. With ...
user1402050's user avatar
1 vote
1 answer
2k views

How do I enable DPMS (console blanking)?

When I log directly into a console /dev/tty1 - 6 and am idle for a while or even if I haven't logged in, I would like the screen to poweroff. I am using xset +dpms dpms n n n to set during my X ...
Walter's user avatar
  • 1,194
1 vote
1 answer
2k views

External DisplayPort screen won't wake up after put to sleep on Arch linux [closed]

I have a desktop pc with Arch Linux installed and an AOC screen connected via DisplayPort. A couple weeks ago I switched to i3 window manager from Xfce desktop environment and removed all xfce ...
Bren's user avatar
  • 111
1 vote
0 answers
374 views

How do I stop my monitor from turning off and on every few seconds when it should be in DPMS sleep?

When connected to DisplayPort 1.2 and suspended with DPMS by waiting or running sleep 1; xset dpms force off my monitor cycles every few seconds between backlight off and backlight on with "...
Kenneth Heafield's user avatar
1 vote
1 answer
833 views

Dim screen before screensaver

Using DPMS, my screen goes blank after 10 minutes. How would I go about dimming (lowering the backlight) of the screen a few seconds before this happens, as a sort of warning? Output of xset -q: [......
Birjolaxew's user avatar
3 votes
2 answers
2k views

Forcing the screen to go blank

I found this answer to make my screen go blank with xset dpms force off. But most of the times it only works for a brief moment and the screen comes back. I never managed to get this to work an ...
Lindsey's user avatar
  • 31
1 vote
0 answers
495 views

DPMS Stopped Working Arch (nvidia drivers - xfce4)

I have been having a lot of problems with xscreensaver and DPMS. A few months back DPMS stopped working and randomly xscreensaver would randomly not work as well. (Arch linux, xfce4, 4.8.7-1-ARCH) ...
droid guy's user avatar
11 votes
1 answer
9k views

Display is not capable of DPMS After GNOME Wayland update

Seems like GNOME updated to Wayland which caused a few issues, the biggest is the periodic crash that brings you back to the login screen. Another issue that is hopefully easier to fix is that I can ...
DominicM's user avatar
  • 629
4 votes
3 answers
2k views

Can I force screen blank and ignore input?

I would like to force my screen to blank, and leave it stay blank regardless of what I do with my keyboard and mouse until it receives a command to unblank (kind of like a lock). The commands I know ...
Cestarian's user avatar
  • 1,951
3 votes
2 answers
1k views

How to prevent DPMS/screensaver from activating when gamepad used?

If I use keyboard/mouse Xorg server understand that then computer involved into user input activity. How to enable support for indicating user activity through gamepad so monitor suddenly doesn't ...
gavenkoa's user avatar
  • 521
7 votes
3 answers
2k views

How to prevent DPMS from activating when a full-screen window is open?

I am generally quite happy with DPMS screen blanking but for one (rather annoying situation): when playing a game through Wine with a gamepad the screen blanks after a while. I guess that in this case ...
A.P.'s user avatar
  • 364
5 votes
1 answer
585 views

On lockscreen how can I auto-turn off monitors if they wake up?

I'm on Debian (Jessie) using KDE 4.14.2 nothing really stood out to me in the System Settings on how to trigger a lock screen and after doing a bunch of research I ended up binding Ctrl+L to run the ...
Jamie Taniguchi's user avatar
3 votes
1 answer
2k views

Prevent dpms from being enabled again

I have manjaro linux and I am trying to disable dpms for good. I have xautolock which enables my screenlocker (i3lock) after some time which also puts my monitors to sleep. I know that I "can" ...
degill's user avatar
  • 133
5 votes
0 answers
170 views

Which activity/program prevents my monitor from going off?

I can set my monitor off with xset dpms force off but something prevents KDE from setting it off. On the other hand, when I play a long youtube video it might go off (!). This correctly happens after ...
Konstantinos's user avatar
  • 1,065
6 votes
2 answers
2k views

X11 blank vs dpms off

I've been playing around with the dpms/blanking settings on a version of Linux built via yocto. Something odd I've noticed is that "blank" and "dpms off" both put the monitor to sleep. I had ...
Eddie's user avatar
  • 101
1 vote
0 answers
106 views

Make XServer ignore the mouseclick that woke up monitor from sleep

I have a ARM-Box with a touchscreen, running a Debian variant. Every time I tap the touchscreen, the monitor turns on, but the now visible application receives a mouse click. Can I tell the XServer ...
0x000AC82's user avatar
6 votes
1 answer
3k views

Why does monitor stay on when DPMS is enabled?

I am running Mint 13 connected to a Dell U2711 monitor via displayport. When the GDM logon screen is displayed, DPMS does not ever shut down the monitor. If I logon and run $ xset -q I get ... ...
jsp's user avatar
  • 113
9 votes
2 answers
12k views

Turning off dual monitors with "xset dpms force off" does not work - why?

I would like to turn off my dual monitors by running: xset dpms force off but just the primary monitor is beeing turned off while the other just gets a "black screen" (like if it was turned off) but ...
Rox's user avatar
  • 193
12 votes
2 answers
2k views

Screen brightness reverts to max after returning from `xset dpms` display suspend

I'm running the openbox window manager and using this line in my autostart.sh to control display power management: xset dpms 0 60 0 This works nicely, causing the display to suspend after 60 seconds ...
intuited's user avatar
  • 3,468
10 votes
1 answer
539 views

Screen doesn't always shut off on its own

It seems like when I have certain web pages focused, my screensaver will kick in, but the screen won't turn itself off. Does anyone have any ideas why this might be? Is there a way to disable whatever ...
xenoterracide's user avatar
9 votes
0 answers
3k views

DPMS does not work: the monitor is not switched off [closed]

I have a monitor which was properly switched off by my Debian PC when unused. I attached it to another machine and, this times, it is never switched off. In /etc/X11/xorg.conf, I have: Section "...
bortzmeyer's user avatar