Questions tagged [dpms]

41 questions
12
votes
2 answers

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 of inactivity. However, when the display…
intuited
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11
votes
1 answer

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 no longer put my display to sleep. Before the…
DominicM
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10
votes
1 answer

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 is keeping DPMS from kicking in?
xenoterracide
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9
votes
0 answers

DPMS does not work: the monitor is not switched off

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 "Monitor" Identifier "Generic Monitor" …
bortzmeyer
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9
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2 answers

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 it is not off. The led is still gleaming green…
Rox
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7
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3 answers

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 button presses on the gamepad don't get…
A.P.
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6
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1 answer

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 ... Screen Saver: prefer blanking: yes allow…
jsp
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6
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2 answers

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 thought blanking would just, well, blank the screen,…
Eddie
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1 answer

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, after several sleep (echo mem >…
i336_
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5
votes
3 answers

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 are: xset dpms force off sleep 2 xset dpms force…
Cestarian
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5
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1 answer

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 following command: qdbus…
5
votes
0 answers

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 5 minutes, as I have already set in "System…
Konstantinos
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3
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1 answer

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 not have extension for -dpms option
400 the Cat
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3
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0 answers

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 this setup i got nvidia to work on my external…
3
votes
2 answers

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 second try or a second time if it worked the first…
Lindsey
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