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Unix and Linux Stack Exchange

Questions tagged [screen-energy-saving]

12 questions
7
votes
2 answers

What keeps waking up my screen?

I have screen energy saving enabled, but my monitors never turn off automatically - even when the screen is locked. I can -briefly- manually turn them off using xset dpms force off, but in a couple of seconds both of my monitors turn on again,…
jaymmer - Reinstate Monica
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5
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1 answer

Is there a better way than this to force monitor blank/off?

Intending to switch off the display/monitor/screen instantly (and only be reenabled upon keypress) I resort to this solution: a /bin/blankvt script: #!/bin/sh echo 1 > /sys/devices/pci0000:00/0000:00:02.0/graphics/fb0/blank read keypress chvt 2 a…
humanityANDpeace
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4
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2 answers

Gnome does not wake up the monitor anymore on keypress

Since around the middle of October 2020, my Arch Linux machines don't wake up the monitor anymore when I press any key in the Gnome login screen. However the machine itself is woken up, as I see my keypresses as password entries or am even locked if…
Konrad Höffner
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4
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1 answer

Disabling screen blanking in GNOME 3

We are using a Debian 7 machine with the default GNOME 3 installation to display content on an information display. This display needs to remain on until the connected computer is switched off. However, GNOME 3 switches the display off after a few…
jstarek
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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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2
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4 answers

Xserver sets monitor to sleep after 10 minutes

My installation, Ubuntu server 14.04 with just xorg and firefox installed. The server boots up and immediatly starts firefox with the disired webpage in fullscreen mode. After 10 minutes my monitor goes to sleep. How can i disable the sleep function…
thomasd35
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1
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1 answer

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 that the HDMI signal or display never switched…
Mike
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1
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1 answer

Gnome3 - set screen energy settings from command line (script)

Is there a way to access, set gnome system-settings from the command-line? I'm specifically interested in a way to set: settings -> energy -> screen off = never settings -> energy -> screen off = (N) minue(s) I would like to access this settings…
nath
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1
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0 answers

"Screen Energy Saving" (in KDE) - how to trigger command when entering and exiting such mode?

I have two commands: one I'd like to execute when computer enters "Screen Energy Saving" mode, another when it exists this state. How to trigger those commands depending on "Screen Energy Saving" ? (I use KDE 4.13.0, and above is feature of KDE's…
Grzegorz Wierzowiecki
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0
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Monitors wake up immediately after energy saving and windows switches to the left-most monitor

I'm going to explain in better detail. I have two monitors: [VGA] [HDMI] HDMI (right monitor) should be the primary monitor, while the VGA the secondary monitor. I have energy saving and lock screen enabled, the issue is that when energy saving…
hy8484
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1 answer

Intel i915 and xbacklight: No outputs have backlight property

When I run xbacklight I get xbacklight No outputs have backlight property I've seen other posts mentions this but I do have a /sys/class/backlight/intel_backlight. I can write to the file and this works perfectly fine echo 1000 >…
Evan Carroll
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0
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2 answers

How can I reduce my Laptop's power consumption when running Linux?

I just installed Linux on a laptop of mine (it's Lubuntu 15.04 on a Lenovo X201, Core i5 M540, 2GB mem). I'm currently seeing 21580 mW power draw with a couple of apps open (Firefox with a few tabs and Ghostery, and LibreOffice Writer). I haven't…
einpoklum
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