Skip to main content

Questions tagged [monitors]

Computer monitors (i.e. screens or displays). For system/application monitoring, please use the /monitoring tag.

Filter by
Sorted by
Tagged with
1 vote
0 answers
15 views

xrandr not changing to propper resolution

I am trying to use an vga monitor with a 1024x720 resolution, however, xrandr is not detecting that resolution, nor dos it show other resolution options for it. Its weird because when doing the live ...
kris's user avatar
  • 11
0 votes
0 answers
25 views

Monitor refresh rate and backlight problems

I have two problems with the monitor on linux. First, when my monitor goes into power saving after the delay set in gnome power savings, the display is black, but the backlight stays on. I don’t have ...
user avatar
0 votes
0 answers
14 views

Is it possible to get separate framebuffers for displays on Nouveau?

I'm using a simple Nvidia GPU (gt730) to run desktop system on a home server. I'm using nouveau as the GPU driver built-in on the 6.9 latest kernel. I use FBDEV (on /dev/fb0) to run the X server. /dev/...
melonfsck's user avatar
0 votes
0 answers
26 views

How to set monitor's input source without ddcutil?

I have a PC (OS - Ubuntu Server), but I haven't monitor for it, so I decided to connect laptop (OS - Ubuntu) to it via HDMI and change input source of laptop's monitor. I'll reinstall OS on my PC, so ...
Minuta18's user avatar
0 votes
1 answer
54 views

Detecting if monitor is on/off

I want to detect if my monitor is on/off. This is because I need to record my screen time as an assignment. Numerous google searches haven't helped, as they return answers saying that it's not ...
quest1onable's user avatar
1 vote
0 answers
11 views

How to change text size according to screen size

I'm using a Dell Precision 7770 laptop running openSUSE Leap 15.5 and using NVIDIA drivers and the KDE window manager. All software is up to date with latest supported versions. Normally I run it with ...
Richard Parkins's user avatar
1 vote
0 answers
37 views

How to increase/decrese brightness in smaller values?

Is there a way I can decrease or increase my monitor brightness level in smaller percentage values (like 1% or 2%) rather than 5% on Linux Mint? Also, I would the fix to work with my function keys as ...
Dex's user avatar
  • 11
0 votes
0 answers
25 views

Wavy Image on External Monitor, fixed by loggin in using only External Monitor

I'm currently running Debian 12, and have tried Kali, Ubuntu and Fedora. In all these OSes, I have a wavy output to my external VGA monitor (Acer K192HQL) connected through a HDMI to VGA adapter. A ...
Nakul Bhat's user avatar
0 votes
0 answers
30 views

Touch screen and external monitor: a ZenBook Duo - like setup?

I am using the Steam Deck as a daily driver since some time and i am pretty happy with it. If someone is not familiar, this is a pretty beefy (for normal tasks) handheld linux PC. I configured SteamOS ...
Wyatt Gillette's user avatar
1 vote
0 answers
81 views

Monitor Has Lines and Wrong Colours on Ubuntu

I've just plugged in my monitor to my Lenovo ThinkPad T14s Gen 2i with Mesa Intel Xe Graphics (TGL GT2) running Ubuntu Desktop 22.04.3 LTS, and on both Wayland and X11, it looks completely wrong, and ...
Sidney's user avatar
  • 11
1 vote
2 answers
129 views

Monitor won't stay off

I have a computer that runs both as a server, and also as a workstation, and this means that it should not sleep, but also have a graphical desktop enabled. To achieve this, I set the following values ...
user000001's user avatar
  • 3,645
0 votes
0 answers
139 views

Control external monitor which do not implement DDC/CI properly

I have an HP Compaq monitor. It works fine, except that it doesn't support the DDC/CI protocol, even when DDC/CI support is enabled from its OSD menu. Running ddcutil detect command tells that it is ...
Puspam's user avatar
  • 126
1 vote
1 answer
77 views

Dual OS (win10/Ubuntu) boot problem

I have installed dual OS Win10/Ubuntu, but I have some boot problems. My computer has a Nvidia GPU with a high refresh rate (144Hz) monitor. The monitor has DP 1.4/HDMI 2.1/Type-C interfaces. I first ...
Nobody's user avatar
  • 111
0 votes
1 answer
267 views

Lenovo Thinkpad x270 intermittently doesn't recognize external monitor

I'm running Debian 11 on a Lenovo Thinkpad x270 with only 1 desktop environment, XFCE. I hot swap this computer and several others into an external monitor. The laptop has both HDMI and USB-C ports, ...
Tranquilled's user avatar
0 votes
2 answers
291 views

nvidia-settings does not load xorg.conf saved settings at startup

I tried making a /home/name/.local/share/nvidiaconf.sh file with nvidia-settings -load-config-only nvidia-settings --assign CurrentMetaMode="DP-0: 1920x1080_60 +1920+0, DP-2: 1920x1080_75 +0+0, ...
Omicron's user avatar
0 votes
0 answers
126 views

How to create a virtual monitor to confine a full-screen application

I use Weylus to draw remotely in my Debian system from my smartphone which dimensions exceed all those of my physical monitors and are not a scale of them. The problem is in reason of their dimensions ...
Le Nain Jaune's user avatar
3 votes
2 answers
801 views

How do I keep the screen on a console-only Raspberry Pi?

Buildroot for RPi3 B+ without X server (console only). Monitor connected on HDMI. I want to keep the monitor on. After 10 minutes (if I'm not wrong) of no keyboard activity the screen turns off. From ...
Mark's user avatar
  • 733
0 votes
1 answer
25 views

Monitor at first shows "overclocking" when starting KDE

When I boot my Manjaro Linux system, I get a graphical GRUB, then some boot text messages and finally when KDE Plasma starts, my monitor only shows the message "Overclocking" and nothing ...
Gere's user avatar
  • 241
1 vote
0 answers
108 views

Arch Linux - Monitors will never go to sleep

Through searching I can only find people looking to solve the opposite issue. I am running Arch Linux with i3 as my window manager. I am using i3-lock to handle screen locking. I can lock the screen, ...
JLCarveth's user avatar
0 votes
1 answer
4k views

How to find monitor model and related information in linux? [duplicate]

I want to correct my color profile, so I need to find my monitor model so that I can download the correct ICC (or ICM) file. Is there a way to find out the monitor model in Linux?
white-hat-er's user avatar
1 vote
1 answer
688 views

Monitor goes into power saving after a minute or so after upgrading to Fedora 38

I've upgraded to Fedora 38 from 37 and noticed that when my computer is inactive for exactly 30 seconds, the monitors go into power saving mode (presumably because the graphics card (Nvidia RTX 2060, ...
orange's user avatar
  • 187
0 votes
0 answers
970 views

USB-C to HDMI adaptor does not work for my second external monitor on Ubuntu 20.04 (Razer Blade Laptop)

I spent the whole day trying to make my second external monitor work for my laptop (Razer Blade 14 - Full HD 144Hz - GeForce RTX 3060 - Black - Link). My primary monitor is connected via HDMI (and ...
Stefanos's user avatar
2 votes
1 answer
601 views

Is there a tool for inverting (darkening) screen or window on Wayland + Gnome?

I am looking for software of any sort that easily inverts the screen, or alternatively the windows, on a distribution using Wayland windowing system (Debian) and, I realize, Gnome desktop. Is someone ...
Johan's user avatar
  • 409
3 votes
1 answer
184 views

How would the mouse behave in a mirrored environment?

Sorry if it sounds confusing, but this is not a biology inquiry. I'm planning to switch to Linux, but I have a few questions need answered. If a single monitor is mirrored like described in this link, ...
longtry's user avatar
  • 93
1 vote
1 answer
288 views

Hello windows camera as a web camera on Linux | Philips 272s1mh/00

I recently bought a Philips 272s1mh/00 27" monitor with the idea of using it as an additional monitor for my work HP laptop with Windows 11 pro and at the same time for my Dell Vostro laptop with ...
baka.strumpf's user avatar
3 votes
0 answers
567 views

Is there any way to generate `monitors.xml` programmatically?

I use a script in order to setup my system in an unattended fashion. On my last reinstall, I've found that the file ~/.config/monitors.xml is not created automatically. While I can create it by ...
Marcus's user avatar
  • 961
0 votes
1 answer
1k views

Ubuntu 22.10 External monitor connection issue

I have recently install 22.10 Ubuntu OS and I lost external monitor connectivity. I have tried few things but stuck. OS: Ubuntu 22.10 xrandr: HDMI-1-1 disconnected (normal left inverted right x axis y ...
Bhavesh Odedra's user avatar
1 vote
0 answers
2k views

How to get three displays on Linux Mint 21

This is a follow-up on How to get 3 monitors working in Linux Mint 18. I am on a Dell Laptop with one HDMI output, but the cables are plugged in on a dock. I highly doubt that the laptop brand/type/...
questionto42's user avatar
3 votes
1 answer
3k views

xrandr: change saturation (less color, more black/white)

I know how to change brightness and gamma with xrandr: xrandr --output eDP1 --brightness 0.8 --gamma "0.90:0.85:0.80" but how can I change saturation, ie decrease the amount of color and ...
Martin Vegter's user avatar
0 votes
0 answers
561 views

DisplayPort monitor gets disabled during boot

I have a Laptop with embedded AMD GPU and discrete NVIDIA GPU. My OS is Fedora 37. The Laptop has a HDMI and one mini DP output. HDMI works without problems. Now I wanted to use the DP connection and ...
Max.-F.'s user avatar
  • 101
1 vote
1 answer
1k views

How to use three monitors on a laptop with linux mint through hdmi and usb-c

I have an HP EliteBook 840 G7 Notebook, with Linux Mint 20.3. My goal is to connect two more monitors to the machine. I have a monitor connected via HDMI port, and a monitor connected via USB-C port. ...
Fabio's user avatar
  • 487
0 votes
3 answers
7k views

Monitor detected but with no signal in Linux Mint and Ubuntu

I have a Slimbook laptop with an external monitor (HP Elitedisplay E243) connected to it using HDMI. Suddenly, the monitor stopped working (it was at a system start). The monitor gets detected by the ...
Aritz's user avatar
  • 123
0 votes
0 answers
551 views

Laptop screen won't turn on unless I plug in external monitors (Ubuntu / NVIDIA)

When I installed my Ubuntu 20.04.4 LTS I had it connected to 2 external monitors (at the time of installation). Now every time I reboot my computer, my laptop screen is off. I need to connect it to my ...
Martin Zeltin's user avatar
1 vote
0 answers
213 views

No screen shown as connected when using xrandr, not even the one i'm using

Here is the output of xrandr : Screen 0: minimum 8 x 8, current 2560 x 1440, maximum 32767 x 32767 DVI-D-0 disconnected primary (normal left inverted right x axis y axis) HDMI-0 disconnected (normal ...
Rhizome's user avatar
  • 11
0 votes
1 answer
681 views

get connected monitor(s) details on a Debian system

I am running Debian 11 with GNOME, and realized that getting information about the connected monitor(s) is not that easy (preferably from terminal). The most promising solution I found was with read-...
exch_cmmnt_memb's user avatar
0 votes
0 answers
153 views

use thinkpad tablet as second monitor with touchscreen?

i have an old thinkpad x200t with linux installed on it; for a long time i wasn't using it, but now i would like to use it as an additional monitor with a touchscreen for my current linux computer, in ...
AutumnCheney's user avatar
1 vote
0 answers
750 views

Screen goes blank (black) for a few seconds when (Ubuntu) dual monitor setup

The laptop and monitor screen (connected via hdmi) goes blank. example: when autocomplete in terminal fails when taking a screenshot I believe the OS is trying to play a notification sound but it is ...
MiKz's user avatar
  • 23
0 votes
1 answer
48 views

Calling printf without a connected monitor

I would like to know if when we call printf without connecting a monitor (and uninstalling any driver related to the screen), does a driver get called anyway?
Ariel Yael's user avatar
1 vote
1 answer
2k 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
  • 505
1 vote
1 answer
3k views

How do I turn off my HDMI monitor?

I tried xrandr --output 'HDMI-A-1' --off which puts the screen as black for only a few seconds and doesn't turn anything off. xset -display :0.0 dpms force off does the same except it shows me the ...
Eric Stotch's user avatar
1 vote
0 answers
1k views

in my external monitor with max resolution everything looks big and ugly, how can I fix this?

when I connect my external monitor everything looks so big, the code font in my editor inside my laptop has a small and pretty font but when I move to the external monitor is like a zoom instead of ...
user1050817's user avatar
0 votes
1 answer
519 views

Raspbian - Forcing monitor to 120 Hz

I have a 165 Hz monitor, and a Rpi 4b. In the raspbian monitor configuration, I can only push my monitor at 60 Hz, but my monitor supports 144 Hz on HDMI. For clarity, my question is NOT about my ...
Psychon Night's user avatar
0 votes
1 answer
963 views

How to make a KVM (built into the monitor) connection work , using a DisplayPort/Usb-C cable connected to a thinkpad dock

In this setup, the other device connected to the KVM works well with HDMI + Usb-B connection. Video signal, mouse and keyboard are ok. But on the other side, I have an Thinkpad T470S with Linux 5.16 ...
dlag's user avatar
  • 15
1 vote
1 answer
57 views

archlinux, out-of-sync at monitor connected to linux machine

I have a few linux machines with Archlinux installed, each are connected to KVM switches, but most of time all machines are remotely connected. I don't use X so no X stuffs are installed. At some ...
auditory's user avatar
  • 228
1 vote
0 answers
44 views

How to inspect different monitor contrast on standby resume?

I'm using an external 4K Monitor on my notebooks docking digital port. Resuming from standbye results in a much brighter contrast compared to booting. In particular I notice the difference in Xorg ...
jjk's user avatar
  • 411
1 vote
0 answers
768 views

Valid values for a xorg.conf(5) Monitor Identifier?

I have a Dell P2210 monitor. Its EDID data is somewhat conservative. I am currently using the following file, which works as expected: # Ubuntu: /usr/share/X11/xorg.conf.d/20-DELL_P2210.conf # Other: /...
JamesTheAwesomeDude's user avatar
3 votes
0 answers
464 views

Not able to invert colors | xcalib -a -i stopped working

I used the command xcalib to invert the colors on my screen and it was working fine for a long time till suddenly somehow it stopped working.I am unable to diagnose as to what has caused this. Now ...
harsh atal's user avatar
1 vote
0 answers
53 views

Asus VK222H not detected properly

My Asus VK222H screen is not being detected properly (on display, it shows 'Ancor communication...' ) I was wondering if it's a drivers issue (they do not provide them for linux on https://www.asus....
jjrr's user avatar
  • 117
2 votes
0 answers
348 views

gsd-color color transform matrix permission denied

I am investigating a monitor wakeup problem and one of the errors noted by journalctl is: Jan 03 14:24:11 konradsdesktop gsd-color[1238]: failed to set xrandr-Samsung Electric Company-LC32G7xT-...
Konrad Höffner's user avatar
2 votes
1 answer
3k views

Video glitches when files are played in fullscreen (screen tearing in VLC & MPV in Debian11/KDE)

When playing videos like movies with the Kodi media center, the videos often have lots of glitches. I tried it with the VLC player, MPV and DragonPlayer on Debian11/KDE and it occurs with all of these ...
mYnDstrEAm's user avatar
  • 4,388

1
2 3 4 5
8