Questions tagged [display]

Questions regarding the display(s) attached to a unix or linux machine, the DISPLAY environment setting, the ImageMagick display tool or (along with X11 tag) remote display redirection

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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 ...
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Xrandr output one more pixel offscreen vertical

Long story short i am stretching a 2048x1536 output on a 2560x1600 monitor (sometimes) for accessibility issues for an old app #I either run xrandr --output eDP-1 --mode 2560x1600 #or xrandr --output ...
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Update broke my external display settings - Kali

I made the mistake of thinking that Kali can safely be upgraded with "apt upgrade". Clearly it can not! After reboot my external display looked like an old VGA monitor. I have googled this a ...
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X11VNC Create X Server On N Display

I want to create a X11 display with X11VNC on specific display without resorting to -env X11VNC_CREATE_STARTING_DISPLAY_NUMBER=31, rather I want to specify N display and have it created appropriately. ...
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Lubuntu 22.04 - catch monitor state

Is it possibile in linux (lubuntu 20+) catch if a monitor is in "NO SIGNAL" state and doesn't show gui? When I connect to a remote desktop pc via VNC, all seems good, but monitor is in "...
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Find my display socket

I'm trying to find my display socket so I can pass it to a container. I expect it to either be in /tmp/X11.unix or /run/user/xxxx/wayland-0, but neither exist. I'm using KDE Plasma with X11.
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autoreconf -i bugs the console's display? (pressing Enter is a workaround, looking for another one without user input)

on a Debian 32 system (Raspberry Pi), the following command appears to be bugging the console. For example the following bash script: autoreconf -i ./script-that-takes-1min.sh echo "I've finished!...
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Where does Xrandr/Linux keep display state?

I have a laptop running Fedora, with Cinnamon as a desktop environment, on Xorg. The laptop has a high-res internal monitor, and an external monitor. Yesterday, i had it set up fine - laptop monitor ...
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Duplicate only one of dual monitors on a Smart e-Blackboard

I am trying to set up the teacher's computer in a university room, having two identical displays on the table. One of these displays should be duplicated on the e-Blackboard connected via HDMI. ...
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when I use tab on rsync and remote pc magical characters happear in display

Simple. I have the file "longname.server" on remote pc, I want to copy on my pc, but..I don't remind the name because is long and I use tab completion. \rsync -avP remote:^[\\\[0\\\;...
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Corrupted EDID data on fresh install

I just switched from Windows to Endeavour OS, it had been a while. Now I face a problem that I faced before as well : one of my screens isn't recognized properly, and is stuck at 640x480. I have ...
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Second Monitor(HDMI) not detected on Manjaro-i3wm, but works fine with Windows

I have a dual boot system with Manjaro-i3wm and Windows 10. The second monitor doesn’t work with Manjaro, works with windows. It is not detecting the HDMI connection. The issue seems to be with the ...
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What causes plasmashell to crash after waking from standby (wallpaper set to default, no taskbar, ...) with a 2nd display and how to restart it?

Since I connected a new screen to my PC it sometimes happens that when I wake my PC from standby (with that other screen turned off before and after standby) plasma seems to have crashed: The ...
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Cannot change my display frequency / refresh rate on KDE + Arch

It seems that my current environment (Arch Linux and KDE) is forcing me to use only the native display resolution and frequency for my laptop. My laptop is a gaming laptop, a Dell G15 with both Intel ...
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How does my dual-monitor X configuration work with just one screen specified? (Nvidia)

I was recently figuring out how to properly configure 2 monitors with X11 and a NVIDIA card and tried many different options. Many tutorials pointed out that a 2-monitor setup should include 2 screens ...
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Launching headful google chrome via crontab

I've this following code for crontab to run google chrome app as headful, PATH=/usr/local/bin:/usr/bin:/bin:/usr/local/games:/usr/games * * * * * /usr/bin/google-chrome > /tmp/cx.txt 2>&1 ...
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Run script every time HDMI connects/disconnects on Fedora 36?

I want to run a script every time my HDMI is connected or disconnected, is there any tools that allow me to this? I'm using Fedora 36 with GNOME 42 on Wayland.
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Everything about gnome is too small

I recently install linux on my new laptop, it has a 1920x1080 display. On windows all was ok, but on gnome everithing is too small, even the website. here are the screenshots: I see that there is a ...
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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 ...
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How can I remotely turn off or disable a second monitor in Ubuntu?

Question: How can I temporarily prevent Ubuntu from recognizing a second monitor that is plugged in? I'm looking for a solution that can be implemented remotely, without physical access to the ...
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running graphical/GUI on Ubuntu

Please bear with me if you find this question naïve. I'm trying to run Linux apps on Windows 10 (1803 build 17134). So I installed from Microsoft store Ubuntu 20.04. Now I don't succeed to set DISPLAY ...
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Display - Burnt Borders

I use an oracle linux, and my borders of any window look like this when connecting through vnc. I tried changing all options in display settings and in tweak has but nothing has worked. It is very ...
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Debian 11 KDE plasma Screen flickers twice - only on displayport

Debian 11 5.10.0-15-amd64 #1 SMP Debian 5.10.120-1 (2022-06-09) x86_64 GNU/Linux KDE 5.20.5 01:00.0 VGA compatible controller [0300]: NVIDIA Corporation GP107GL [Quadro P600] [10de:1cb2] (rev a1) ...
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Disable mouse scaling when fractional scaling is enabled in Ubuntu/Gnome/PopOS

I'm running PopOS (Gnome Desktop & Ubuntu based). I've configured my 2nd monitor to run at 200% scale using Fractional Scaling. This works great for the display! The problem is that the mouse ...
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Third screen only shows a white background - Debian 11

Some weeks ago I installed Debian 11 bullseye on my ThinkPad T430. And with the pass of the days I been setup drivers and most used packages, until now I'm facing a weird bug (IDK if is it). The fact ...
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xrandr: Failed to get size of gamma for output display

I have Ubuntu 22.04 with $ lspci | grep VG 08:00.0 VGA compatible controller: NVIDIA Corporation GK208B [GeForce GT 730] (rev a1) Today the resolution of the display was forced to 1024x728 (refresh ...
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Installing Nvidia drivers on rhel 8.6 with dkms but getting asm/kmap_types.h and drm/drmP.h errors in build

I'm trying to install the nvidia drivers for my T1000 Quadro on my Rhel 8.6 Lenovo p15. However I'm running into errors when trying to build and install the driver. System info? root:Downloads# ...
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suspend display when in login manager login screen

I have a laptop and a PC, both with Debian 10 installed. I am using slim login manager on both. When I log out from the X server session on my PC, I get the slim login screen. After few seconds, the ...
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The resolution doesn't match the physical monitor size

I have dual monitors, and one of them has a different size in real life than in the system, and it makes my mouse go in different places than it should when I'm moving it through screens. This is what ...
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Access to the display when loading the systemd service

I am writing a bootable service in C and D languages. There is a database of users with thin client settings. I access this database over the network during the download and get from there the data of ...
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USB connection from display detected as storage device

I have an MSI Optix MAG245R 23.8" display. It features USB connections. When I start up my Debian-based machine (BunsenLabs), I get warnings that say: May 4 19:41:51 localname kernel: [ 240....
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Open a dummy X in another X session

How could I open a dummy X session created with the xserver-xorg-video-dummy in another X session, say that one which created display :0? The session is created with the command: $ sudo X :1 -config ...
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invert screen auto-rotate on acer 2in1 laptop

I have installed Ubuntu budgie 20.04 64bit on an acer 2in1 laptop. Everything runs out of the box: when I switch to vertical tablet mode, the screen rotates and deactivates the keyboard. when I switch ...
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Increase terminal scale/size on Kali Linux running in VMWare

I have a high resolution screen and I'm running the downloadable Kali VM from their site. The problem is everything looks super tiny because of my host laptop screen resolution. In the guest Kali OS, ...
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Ansible: Run new playbook from task

Let assume following: main-playbook.yml - name: Play-1 hosts: localhost connection: local gather_facts: no roles: - role: my-role vars: newhost: 192.168.1.1 ...
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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 ...
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lspci command doesn't detect monitor through mini dvi port

I just wired a just received 2005 Toshiba TDP S25 Projector VGA to the mini dvi port of my GP66 Leopard via an adapter. However, when I select "Computer 1" on the toshiba menu I have a mere &...
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x86: Drive a SSD1351 OLED Display

I've a bunch of SSD1351 OLED displays like this one: Those are driven over a SPI Interface and I use them in the Raspberry Pi and other ARM SBCs like the NanoPi with the following libraries: https://...
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Xorg specific tool to probe displays for PCI bus info?

This question came close to what I was looking for, but missed the mark. After some adventures trying to get device names as displayed from xrandr into xorg.conf I began to wish that there was an X11 ...
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$DISPLAY of lightdm?

lightdm is running an X server. How to find out which $DISPLAY setting it is listening to? Background: I'm debugging what appears like DPMS issues between a monitor and a GPU (proprietary nvidia ...
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How to change Debian display resolution

So I installed a clean copy of Debian 11.3.0, the display resolution looked something like this and after the installation, the size looked like this (basically still the same resolution), and I have ...
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Refresh monitor/screens displaying

Is there a way to refresh what displays Linux ? Like when you "apply" a new config through your DM/WM display parameter? But from terminal, and that work under Wayland, or at least under X11?...
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Change window size to fit current image size with feh from CLI

I have read the feh manual but could not find a command line option to change window size to fit current image size : $ qrencode -o- https://youtu.be/JrLYOJqe22U | feh --zoom 300 - Can you help me ?
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External monitor not detected over HDMI - Debian Lenovo X1 Carbon

I am trying to connect external monitor to my Lenovo X1 Carbon 8th gen laptop. Even after connecting the HDMI cable, there is no signal over HDMI. Here is the xrandr output Screen 0: minimum 320 x 200,...
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why the display scaling in fedora 35 is not same as windows. How to make it equal to windows scaling?

The default display scaling factor in fedora-35 is 1.00. This is how the chrome websites look with this scaling factor and default 100% zoom But if you see in windows with default scaling factor of ...
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Screen remains blank after exiting suspension on ubuntu 21

I have Ubuntu 21.04 with NVIDIA Corporation GK208B [GeForce GT 730] as videocard. After an update, the screen dimension went into default mode and xrandr did not recognize the screen (also, in ...
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3 Monitors, tty1 taking up one and not being detected by nvidia x settings

I have a laptop which boots to the main monitor but then with the 2 external monitors black. After which the two monitors are detected and then used. The laptop monitor however turns to a black screen ...
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Display crashes after screen lock

I am using Ubuntu 20.04 version on Lenovo Ideapad Whenever I lock my laptop (or it gets locked in inactivity) and try to unlock, my display is crashing. I see a screen as below I have another ...
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Directories which contain content display size 0 from 'ls -al'

When I execute lld in a directory which has been formatted, to operate as an Ext4 type, I noticed that I am incorrectly getting 0 directory sizes (alias lld='ls -d -l --color=always .*/ */') for ...
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Using android as a monitor using usb

I want to create a media server with an old laptop. I have setup a ubuntu OS for use and jellyfin as a media server. I am a Beginner to UBUNTU Is there a method to screen mirror/ use a android as a ...

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