Questions tagged [xorg]

Questions about X.Org Server (commonly known as Xorg Server, XServer or Xorg), the software that runs the X window system used by most desktop window managers (GNOME, KDE, etc)

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11 views

My screen keeps going black, and I cannot resurrect it

I'm running Xubuntu 20.04.2 on several machines, and I have screen blanking disabled on them all, but one of them keeps going blank on me at odd moments, and I cannot get it back alive with the usual ...
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1answer
17 views

Is there a tool to reliably solve or troubleshoot graphics and hybrid-graphics acceleration?

I consistently have issues with hybrid graphics on Ubuntu. From Ubuntu 12.04 up to 20.04, which is what I'm running at the moment. This might be a bit open ended but there is a lot of frustration ...
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1answer
34 views

I need a command-line utility to send switch keyboard layout sequence because of Ubuntu 21.04 wayland

For X11 I used to setxkbmap command to change keyboard layout. Now on Ubuntu 21.04 I have wayland. Does any command-line utility can send win+space key sequence to change keyboard layout? Thanks.
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Ubuntu 20.04, Nvidia - unmet Dependencies error [Installation]

I've been trying to install nvidia drivers in ubuntu-20.04 and "sudo ubuntu-drivers install" gives me the following error. Reading package lists... Done Building dependency tree ...
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59 views

Nouveau driver works with Wayland but not with X11

I am trying to login to GNOME X11 with the Nouveau driver. This does not work (see attached xorg.log file). However, Wayland does work fine and I can login. If I install the proprietary drivers for ...
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14 views

Ubuntu displaying does not correct smootly although I have RTX3060 mobile gpu and installed nvidia drivers

I've installed nvidia drivers on Ubuntu 21.04. System shows up nvidia But displaying does not works properly. For example When I log into the system(after I enter password), black screen shows up for ...
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19 views

x11vnc with virtual display causes window trail

I'm using x11vnc on my ubuntu 20.04 to connect my tablet to my virtual display, which I created with xrandr as follows: xrandr --newmode "2000x1200_60.00" 201.50 2000 2136 2352 2704 1200 ...
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1answer
35 views

font size setting doesn't work in ddd(data display debugger)

I have fresh installed ubuntu 20.04 lately, and installed ddd yesterday. The ddd font size is too small (12) so I changed the defaultFontSize value to 200 (from 120, in units of 1/10 points) in the ...
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28 views

Tool for drawing rectangle on the screen over apps programmatically

I'm developing some automation software which take the part of current visible screen for further processing. For debug purposes I need to highlight which part of the screen is being processed right ...
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1answer
80 views

No keyboard on Raspberry Pi 4 8Gb RAM Ubuntu 64bit

I recently installed my Ubuntu 64 in my raspberry pi 4 for the second time because I thought I messed up the first time My Logitech USB Unifying wireless keyboard is not working properly, until I ...
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21 views

How to persist display settings with ubuntu?

How to persist display settings with ubuntu? Setup: 3 monitors Ubuntu 20.04.2 LTS Display manager: gdm3 Window system: X11 Config: xrandr Every time the system is booted, the monitor setup is a mess. ...
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Nvidia drivers override AMD APU drivers

In short: Nvidia drivers take control of the graphics and my computer doesn't use the iGPU Here is my setup: CPU: Ryzen 3 2200G (display) GPU1: Gigabyte GeForce 1060 OC 3Gb, in the PCIe slot MB: MSI ...
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I changed display resolution and then back “illegal format on LG TV”

I changed resolution from 1920x1080 60HZ to something else and got illegal format on the screen. I rebooted in Ubuntu Xorg, (which works), and changed the resolution back. It still get the invalid ...
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42 views

Ubuntu 20.04 Not Showing 144hz Screen. Capped at 60FPS. For OVERWATCH

I've bought a new Monitor (27" SAMSUNG ODYSSEY G5 1440p 144hz) and I only use Ubuntu 20.04. I primarily play OVERWATCH which is what I'd like to experience in 144hz for the first time ever. I ...
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1answer
48 views

Ubuntu 20.04 use Intel for graphics and NVIDIA GPU for CUDA

I am trying to configure Ubuntu 20.04 to use the integrated Intel graphics for xorg and leave the NVIDIA GPU as free as possible to CUDA programs. Such that nvidia-smi shows no process using the GPU. ...
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20 views

lightdm black screen

I installed nvidia drivers (driver 460). For that I did the installation via tty as nvidia want. To do that, I did systemctl disable lightdm.service because a systemctl stop lightdm.service didn't ...
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1answer
22 views

External monitor high latency on reverse-prime intel/nvidia

Description My laptop (Thinkpad X1 Extreme gen 3) suffers from high latency on external monitors (running with display port) when using the on-demand Nvidia driver option (version 460). Overall it ...
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1answer
112 views

Use Wayland session with Lubuntu 21.04 on Raspberry Pi 4B

I'm on a quest to find the best possible configuration for our Raspberry Pi 4B used almost exclusively to watch internet video streams. So far, I've tried getting the most out of Raspbian/Raspberry Pi ...
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1answer
86 views

Ubuntu 20.04 and 21.04: second cursor stuck on the screen 150% fractional scaling on a 1440p monitor after login (XOrg)

EDIT: example https://imgur.com/a/nhzhaSb If "fractional scaling" is set to 150%, then after login there is a second cursor stuck on the screen. Confirmed on both Ubuntu 20.04 and 21.04. It ...
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1answer
25 views

Can't turn off external screen with gnome-shell

I'm using a Dell XPS 13 laptop with a noname USB-C dock for an external HDMI screen. Nearly 100% stock Ubuntu 20.04 with Xorg, Gnome-Shell, and kernel 5.8. Everything works fine, unless I want the ...
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53 views

Ubuntu 20.04 xserver-xorg-video-intel graphical glitches and VIRTUAL1 issue

I am trying to use a VIRTUAL screen with vnc to use a tablet as a secondary screen on my intel laptop with integrated intel graphics. I am able to get xrandr to list VIRTUAL1 by adding a file named 20-...
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23 views

Can't use keyboard & mouse after switch additional driver (xserver-xorg-…) on login account

I need some help about my Ubuntu 18.04 (installed in Dualboot). I was going to work, but recently I changed my GTX 970 => RTX 3070. Once logged into Ubuntu I have a resolution stuck at 1024 * 768, ...
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56 views

Installing (and loading) both amdgpu and nvidia drivers on the same machine

I have a motherboard that allows for up to 19 video cards to be installed on it, and currently I have 4 nvidia and 2 amd cards installed. I can get the nvidia cards to run fine, but I cannot get the ...
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24 views

sudo Nautilus error via xrdp Xorg - Ubuntu 20.04

I am facing a really annoying problem with Nautilus; the problem persist only via xrdp, since i tried the command "sudo nautilus" on the phisical machine and it works as expected. But ...
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1answer
64 views

Display is not detected after adding a new M.2 NVMe

I have two M.2 NVMe drives (Intel 660P 2TB) on ASRock X399 Taichi. The OS is Ubuntu 20.04 on one of them. When I add a third M.2 NVMe (Seagate FireCuda 2TB), the OS loading does not complete and the ...
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11 views

Uoeos Hub HDMI not recongnized

I'm having issue that display not showing when a hub it's switched on. Hub works, on windows used to work. Ubuntu 20.04 fresh installation. Tried to These are the outputs: lsusb xrandr
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24 views

LXDM on 20.04 fails to start

Since LightDM decided to drop multiple session support (the machine I'm using has a single dual-head video card so dual-seats isn't really optimal for me), I decided to drop Unity, which I had ...
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1answer
311 views

Can you still use x.org in 21.04?

I installed 21.04 on my laptop to try it out, and now it comes with wayland as the default. However, I'm noticing some issues with my digital drawing tablet and I wanted to switch to x.org to see if ...
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19 views

How to retrieve the screen resolution of all users?

I am trying to implement a session recording system which could work as CCTV targetting users' screen. I need this system to monitor users' operations. After preliminary studies, ffmpeg was brought up....
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14 views

Express keys not reflected in xournal++ using Ubuntu (wayland)

I am using the following: Ubuntu 21.04, Gnome 3.38.5, Wayland windowing system XP deco 01 v2 and installed the necessary driver I work with xournal++, version 1.1.0+ Problem I am facing is that the ...
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51 views

Second screen artifacts/flickering Ubuntu 20.04 & NVIDIA 1060

I can't seem to solve this issue, after getting a super ultrawide (5140x1440), my second monitor started having screen artifacts/flickering. It's completely random and I can't easily duplicate it, but ...
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1answer
17 views

How to disable log when start application in desktop from terminal [duplicate]

I need open new tab in chromium, in other display, from script terminal. When I open, my terminal receive logs from Xorg or GTK (I don't know who print it). I used the command: DISPLAY=:0 chromium-...
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1answer
375 views

Ubuntu 21.04 freezes on zoom Screen share option

Today I upgraded from Ubuntu 20.04 to 21.04. It uses Wayland by default, also I have disabled my nvidia card (just selected Integrated Graphics from nvidia-settings). When I installed and tried zoom ...
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70 views

wrong screen resolution Ubuntu Studio 21.04

Ubuntu Studio 21.04 uses KDE Plasma 5.21. It does not recognize the native resolution, 3840x2160, of my Dell P2415Q monitor. Other Linux distro's do. Ubuntu Studio shows 2560x1440 as highest ...
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13 views

Erratic keystrokes and cursor movement

On a Dell Inspiron 14 5447 laptop, running 20.04 kernel 5.4.0-72. When I boot up normally (via GRUB), there are erratic keystrokes (lots of "d"s, but other keys as well) and the cursor moves ...
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27 views

How to make Xorg forget about episode with configuration file

On stock Ubuntu 20.04.2 with Gnome 3.36.7 desktop; GDM; X.Org X Server 1.20.9 Prelude: Yesterday, in an attempt to get rid of screen tearing in Totem, I have introduced an Xorg config file. I have: ...
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11 views

Switch from Intel GPU to Radeon on Lubuntu? [duplicate]

I just installed Lubuntu on an old HP Envy 17 with Radeon 6850M The machine boots up using the integrated Intel GPU. How do I switch to the Radeon GPU? I haven't manually configured X since the ...
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67 views

latest update created a real mess 20.04 only first 4 letters shown, windows are unreadable

One of the most recent software updates rendered my desktop nearly useless. I can't even get into and work with the terminal since it became virtually unreadable. I've searched thoroughly for ...
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38 views

OBS Studio window capturing(xcomposite) show black screen

I am using ubuntu groovy 20.10 on Xorg My laptop is Asus , AMD Ryzan 7 , NVIDIA GeForce MX350 I have installed all driver packages and I have set obs studio output encoder to Software(x264) but the ...
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33 views

properties order in .Xresources

This drives me crazy... Maybe someone has an idea. I could not find something concerning exactly this. I'm running ubuntu 20.04 (studio version) and have a .Xresources to set some nord theme based ...
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1answer
27 views

Is it possible to keep different ssh login shells a same $DISPLAY number?

I am running a Jupyter Server on my remote server with nohup jupyter lab --no-browser --port 1234 $ and use X11 forwarding to access gui programs on the remote server. But the $DISPLAY number of the ...
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1answer
74 views

Ubuntu 20.04 UI rendering glitches after upgrading from 18.04

I was using ubuntu 18.04 for long time and then I upgraded to 20.04 but faced lot of problems,specially relating to display and graphics drivers. but I anyway solved this here Ubuntu Black Sreen ...
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1answer
99 views

Multiple Displays: Only two of three displays are available

I was using a built-in monitor of my laptop and two external displays connected to it installed with Ubuntu 20.04 LTS. I had to reinstall OS for some reason. After re-installation, only two monitors ...
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140 views

Set Coolbits on Nvidia GPU without nvidia-xconfig or xorg.conf (Dual GPU AMD/Nvidia system)

My system has 2 GPU's, my main display card, which is AMD, and a compute card, which is Nvidia. I want to overclock or change the fan curve of my Nvidia card without breaking my AMD card - using ...
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59 views

Could not initialize SDL(x11 not available) error while I'm trying to start automatically a bash script which configures a qemu virtual machine

I would like to run a shell script automatically every time my ubuntu 18.04 installation has landed and I see the desktop manager fully loaded. The script should be executed regarless of the desktop ...
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42 views

How do I RDP from windows into Ubuntu with i3-wm?

I installed regular Ubuntu 20.04 I then installed i3 On the local computer I have a choice on login of ubuntu or i3 and logging into i3 works beautifully! I installed XRDP and I am RDP'ing from a ...
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24 views

External UPERFECT Monitor Laggy Over USB-C but Fine Over HDMI

I have a UPERFECT MDS-156G16 1080p touchscreen monitor. When connected via Mini-HDMI to my ThinkPad P14s running Ubuntu 20.04, the screen is smooth and works great. When connected to the same computer ...
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1answer
48 views

Display is wrong resolution, aspect ratio, and size

So last night (April 13th), I installed an update from Canonical that popped up in a GUI, it said something about a security update (I didn't look at it too hard). Since then I've rebooted my machine ...
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122 views

graphics glitch with xorg on ubuntu 20.04 after update [duplicate]

I've been using ubuntu 20.04 on a Thinkpad t430s with intel graphics for around a year now with no problems. Yesterday, Ubuntu asked me to install an update. After the update, my graphics was suddenly ...
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27 views

Display settings reset to default on login

So the basic problem is that when I log in to my computer, after about a second, both screens briefly go black and when they come back on, one monitor is disabled in settings and the other goes to its ...

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