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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Ubuntu dell laptop display showing misaligned screen

After I woke up I saw my laptop display is showing misaligned screen.I have no idea whether I rollover on my laptop while sleeping. Display as shown in my video recorded link https://youtu.be/WUebZiK-...
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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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How can I display graphics to a secondary monitor on Ubuntu Server?

I recently setup a home server and installed Ubuntu Server to it. As a hobby project I would like to make a program that displays server resource usage to a secondary, external monitor. I am using ...
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Prevent windows from moving when display sleeps on Wayland

I am using GNOME with Wayland, on openSUSE Tumbleweed, and an AMD GPU if relevant. I have multiple displays connected to my computer, including my TV via HDMI. The issue I am trying to resolve is that ...
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Control remote host's display over ssh connection

I have 2 laptops both using linux mint 20.1 and connected over local network (WiFi). I have a user1@host1 and a user2@host2. I am running ssh server on host2 and client on host1. I want to use host2'...
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Nouveau crashing

my OS is ubuntu 20.4. in Nouveau driver than 5 min , my os crashing! in Nvidia driver , not crashing but have a bad resolution (in display setting dont show any resolution other than a bad resolution),...
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HDMI - how to turn on display and switch input

I have a TV which has 4 HDMI inputs. I have a Chromecast and a Nintendo Switch connected, and I've noticed that when I turn any of them on (for example try to cast something from my phone), the TV ...
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Arch Linux ARM on RPi 2B, Xorg not Displaying Anything

I am trying to run Arch Linux ARM on my Raspberry Pi 2B and running into some issues with displaying anything with Xorg. I have the xf86-video-fbdev driver installed, which is what I have seen ...
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Ideal Disto/software combination for mitigating severe migranes due to screen and backlight refresh, and open GL

I am looking for a visual accessibility focused DE or distribution to help a friend with severe migraine and nausea issues using displays, OS's, and apps, starting in 2014 with the Mac Os move to ...
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Lenovo T430 + Debian 11 can't run additional display

I am running some D&D sessions as Dungeon Master recently and I wanted to add additional display to my laptop to show local map to players, without showing my laptop work area. Unfortunately ...
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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 ...
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How to configure multiple displays on Lenovo LEGION 5 Pro (Nvidia RTX 3050)

I have installed Debian 11 (bullseye) on a new Lenovo LEGION 5i Pro with Nvidia RTX 3050. After installing the Nvidia drivers: sudo apt-get install nvidia-driver firmware-misc-nonfree I connected an ...
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How to render unicode like Terminator in Kitty?

I am configuring my Arch Linux installation (currently on a Virtual Machine with Garuda as host system) and I've noticed that on Terminator or Gnome Terminal unicode symbols display pretty cool, for ...
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Colors become distorted randomly in Linux, not in Windows

Currently running Fedora, but my issue is not exclusively pointed to this distribution! I have been experiencing this issue of my screen colors inverting/distorting from time to time. And this bug is ...
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Display Sleep / Wake on Schedule

Is there some sort of display keep-awake command that could be scheduled? I have a machine I'd like to run a dashboard display during certain hours without having to interact with it every day to wake ...
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How `xorg` and `xinit` are affecting my displays on host and in container:

Very brief summary: Either I can launch containerized GUI apps, or I can configure my display positioning, but not both. Part 1: i3 display configuration vs xorg display configuration. Resolved but ...
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How do I lower my screen refresh rate down to 60hz?

I'm running Pop!_OS 21.04 (Nvidia) on my Lenovo Legion 5 laptop. I want to reduce the screen refresh rate down to 60hz from its usual 144. I am able to do this in Display Settings on Windows, however, ...
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TUI apps not displaying anything under WSL

I installed a new WSL (v1 unfortunately), ubuntu 20.04. I run it with wsl.exe . Both nano,vim and tried also neovim display nothing when launched. Tried updating them. I mean the screen is completely ...
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Run Linux on iMac 2010 and use as external monitor ("Target Display" mode)?

Background: I perfectly installed Linux (dual-boot) on an iMac 2010 a couple of years ago. Recently I spent hours to figure out why the iMac was not running "Target Display" mode under ...
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How to adjust the display when running linux on a macbook?

Mac has the high pixel density, which makes everything really small when I run linux on a mac with a USB. Is there a way to adjust that to be a more pleasant larger display? Currently running plasma ...
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How can I target an X window to a secondary monitor? (and know what it is called in order to do that)

I have two monitors connected (one HDMI, one DVI) connected to an Nvidia GT710 GPU on my linux box. When I am logged in to my box over ssh, if I run xeyes it will always run on the same screen. I ...
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Change steps of backlight brightness and keep using cinnamon animations

I know and use writing to /sys/class/backlight, now I want to keep using standard Cinnamon way to adjust brightness as I like icons/animations it displays when hotkeys are pressed. I was not able to ...
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Screen issues with Debian 11

I'm facing an issue with screen flickering that appears randomly, several times per hour of uninterrupted work. After a mouse drag, it goes away, but I'm troubled with reasons for such behavior. Some ...
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Starting GUI apps without a window manager. `xinit command` vs .xinitrc containing `command`

I have an Ubuntu Server 20.04 with no widow manager (well, mwm is installed, but I am not using it here). I am running commands over ssh and watching a monitor attached to the host. I can start ...
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xrandr - cvt: Where is the official place to get the complete correct list of WxH resolutions?

I watched some video tutorials on youtube about the xrandr command and appears the cvt command too. About the latter it uses the WxH (Width x Height) value to get the settings to be applied to the ...
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When ctv vs gtf?

I watched some video tutorials on youtube about the xrandr command and appears the cvt and gtf commands too. When is mandatory use one over the other?
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How can I display a GUI LXC container on a physically connected display without a window manager?

I want to have a setup where I have LXC OS containers that start full-screen on particular displays. As an intermediate step, I am trying to get X apps from the container to display via host X. I have ...
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The VGA port and Mini DP are not working simultaneously on Kali Linux

I have a Lenovo T430 that supports both the VGA port and a mini Display Port on it. I have Kali Linux installed on the bare-metal. Having got two monitors attached at the same time with the respective ...
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Building a universal screencasting display/presenter: WiDi/MiraCast, ChromeCast, etc

I'm in the process of building a 2nd-screen solution for my workspace; something that provides ubiquitous connectivity, so that I can simply toggle any of my machines/mobiles/laptops/etc to use the ...
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