Questions tagged [xorg.conf]

Questions regarding xorg.conf, located in /etc/X11

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How to configure igpu for xserver and nvidia gpu for cuda?

Ubuntu 16.04 Output of uname -a: Linux HOST 4.4.0-22-generic #40-Ubuntu SMP Thu May 12 22:03:46 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux Desktop grade: CPU: Intel GPU: Nvidia with 361.42 What I ...
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21 votes
3 answers
56k views

Where is the xorg.conf file in Ubuntu 18.04?

I just installed Ubuntu 18.04. I have a machine with two gpus and 5 monitors. Getting them to work week has been challenging in the past, using previous versions of Ubuntu. In the end I manually ...
Joe's user avatar
  • 367
9 votes
2 answers
12k views

Stuck on TTY - Ctrl+Alt+F7 returns black screen

I'm new to Linux and am stuck on TTY. My Linux distro is Lubuntu 14.04.4 LTS. I have read some topics and the solutions proposed are not working to me. Ctrl+Alt+F7 returns a black screen with a text ...
Yuri Camara Batista's user avatar
8 votes
1 answer
31k views

144Hz monitor stuck at 60Hz

i have the last nvidia-352 driver and after a reboot my monitor return to auto 60Hz instead of 144Hz. I tried sudo nvidia-settings and saving the configuration in /etc/X11/xorg.conf but it doesn't ...
Charles's user avatar
  • 101
5 votes
1 answer
19k views

How to set native resolution via xorg.conf overriding EDID?

I have a monitor with a native resolution of 1680x1050 wich is not being detected and so can't be set through nvidia drivers. I've tried with no results to force the resolution with xrandr, as ...
Nano's user avatar
  • 221
5 votes
2 answers
2k views

Rotate dual monitor screen 90 degrees on Ubuntu 15.10

I am trying to rotate a dual monitor which is attached to the VGA output of my laptop. My system is Ubuntu 15.10. However, here is the outcome I get when I use xrandr: xrandr --output VGA-1-0 --...
user809418's user avatar
5 votes
1 answer
18k views

How do I configure xorg.conf for two X screens on one Nvidia card?

Aims Goal of this post: Figure out what xorg.conf configurations are necessary to use each of my dual monitors as a separate X screen. Intermediate goal for this post: Figure out why I cannot start X ...
Stonecraft's user avatar
5 votes
0 answers
842 views

Periodically this is printed to syslog - Printing DDC gathered Modelines:

This is Ubuntu 18.04.1LTS installed last Thurs 16 Aug apt-cache policy gdm3 gdm3: Installed: 3.28.2-0ubuntu1.4 Candidate: 3.28.2-0ubuntu1.4 The output that started the same time as I did my ...
Chris Pollock's user avatar
4 votes
3 answers
18k views

Nvidia: Overclocking, Undervolting, Fanspeed just won't work on Ubuntu

I know this has been asked before, but all that I've read so far to this topic couldn't help me. I'm new to Linux, so this might also be a reason that I can't get it working though I'm learning ...
SnoopyMania's user avatar
4 votes
1 answer
3k views

What're the differences between "display", "display-device", "monitor", "screen" in /etc/X11/xorg.conf and the $DISPLAY environment variable?

In the xorg.conf file there are _ Section "Screen" _ Section "Monitor" _ Option "UseDisplayDevice" (inside the screen section) plus the $DISPLAY environment variable. Which one of those 4 (screen,...
Nhu Thai Sanh Nguyen's user avatar
3 votes
1 answer
2k views

Ubuntu 17.10 ignores xorg.conf

I switched to Ubuntu 17.10 from 17.04, where the same xorg.conf worked in /etc/xorg.conf, and Ubuntu seems to ignore the file. My workaround is the same as before in Ubuntu 17.04, I copied xorg.conf ...
ElToberto's user avatar
  • 108
3 votes
3 answers
1k views

Lubuntu upgraded from 15.10 to 16.04 with nvidia-361 and xserver settings are empty

As the title suggests, I've just done an upgrade. Unlike other unlucky folk, I've had no problems with logging into the GUI. But it seems like the nvidia drivers are not properly installed. My xserver ...
Jonathan's user avatar
  • 656
3 votes
1 answer
396 views

Mouse clicklock needed for accessibility! Where is it? [duplicate]

Here's a news article: Windows-Only Click Lock Feature to Be Built for Ubuntu 16.04 LTS I have a disability and I really need this feature to fully use the computer. I've heard rumors that it used ...
Owen Kent's user avatar
3 votes
1 answer
12k views

Ubuntu 18.04: Low screen resolution after Nvidia driver installation

Ubuntu 18.04 GeForce GT 630 Max resolution for actual monitors "Resolution (max.): 2560x1440‎" Dual monitor set-up. Problem: After installing NVidia drivers everything is much bigger as if the ...
Doug's user avatar
  • 151
3 votes
2 answers
13k views

Screen resolution is not saved after reboot

I'm using Xubuntu 15.10 on my GA-C847N motherboard. I can set appropriate resolution using the following command: sudo xrandr -s 1440x900 However, each time after machine is rebooted I'm getting ...
Slava Fomin II's user avatar
3 votes
1 answer
1k views

Xorg using 20-60% CPU

My PC was running just fine last night. I didnt make any system changes. As far as I can remember the only change I made was my desktop background and now my CPU is running so slow it's near unusable. ...
CulturedI Crane's user avatar
3 votes
0 answers
3k views

Xorg fails to start after upgrade to 18.04: /dev/dri/card0: No such file

This is an Asus laptop with Intel-Nvidia hybrid graphics. Everything was working fine before the upgrade. I removed (and purged) the nvidia xserver packages. I reinstalled the intel, vesa, and ...
Dan Christian's user avatar
2 votes
1 answer
1k views

How to set scroll button and middle click emulation on a trackball in 22.04?

I had middle click emulation and scroll on my Logitech TrackMan Marble using xorg.conf settings on my 20.04, but when I upgraded to 22.04 it stopped working, I tried various changes in xorg.conf (some ...
Didi Kohen's user avatar
2 votes
1 answer
1k views

Overriding only Option Rotate for a specific Monitor while keeping other auto configuration values

Nowadays Xorg infers the configuration automatically, and for most of my usecases it works perfectly! I work on Passenger Information System software and now one bus has their monitors installed ...
tomsseisums's user avatar
2 votes
0 answers
852 views

How can I set a specific provider for a source in Xorg

I have a fresh Ubuntu install with two GPUs (the integrated Vega GPU and a Radeon RX 570). My primary monitor is connected to my graphics card, and my secondary monitor on the left is connected to the ...
Luciano Marti's user avatar
2 votes
1 answer
181 views

No keyboard after login in Ubuntu 20.04

I post this forum because I have a problem and I have a lot of trouble finding answers I'm on an Asus Zenbook UX480F with Ubuntu 20 on it and no more keyboard works after I open my Gnome session By "...
Tropp's user avatar
  • 31
2 votes
0 answers
1k views

4k samsung monitor issue with resolution

I'm running Ubuntu 19.04 and I'm having an issue with getting my Samsung 32" (U32J590) monitor to display anything better than full HD. Issue is with Linux only (I've tried it on Ubuntu 18.04 as well),...
badziobw's user avatar
2 votes
0 answers
173 views

Ubuntu 16.04 logs me out 10~15 seconds after logging in

A little background info, i had issues playing 10bit video on my laptop. Playback was choppy and full of grey pixelation on vlc. so i decided to install intel graphic drivers. After installing their ...
Web3 Philosopher's user avatar
2 votes
1 answer
774 views

Copy/paste middle mouse button functionality absent

Kind of an unusual Ubuntu 12.04 system. It was built up from a minimal install and doesn't have most of the usual Ubuntu graphical elements: no Unity, no Gnome shell, no LXDE, and so forth (I use the ...
MJiller's user avatar
  • 131
2 votes
1 answer
182 views

Cursor dissappears when set to high resolution in Ubuntu 14.04

I had a problem with the cursor . Currently installed Ubuntu 14.04, kernel driver i915. When i set the resolution 1920x1080 screen , the cursor disappears. At lower resolutions , the cursor is ...
Boris Domaev's user avatar
2 votes
2 answers
5k views

How to prevent nvidia-auto-select switch to incorrect resolution at login screen?

I have a small issue when starting up my machine into Ubuntu. Everything goes smoothly, the login screen appears at the correct resolution. Then it switches to an incorrect resolution, after I login ...
dajoto's user avatar
  • 89
1 vote
1 answer
1k views

Touchpad "Tap to Click" option not working

I am facing a very strange problem in Ubuntu 18.04 after an update. I am unable to select the "Tap to Click" option from the settings. When I open settings from the GUI, every time I see it ...
Ameya Deshpande's user avatar
1 vote
1 answer
115 views

14.04, 3 screens in portrait, adjustment to be done each reboot

Every time I reboot my screens are like this, with a space in between them. My xorg.conf file does not get overwritten each time since the content is identical from one boot to the other (xorg.conf ...
Houba's user avatar
  • 35
1 vote
1 answer
622 views

Trouble configuring xorg to disable touchpad [duplicate]

I'm trying to follow the solution in this thread to disable extra touchpad device so that syndaemon will work to disable the touchpad while typing so I won't keep having a jumping cursor (very hard ...
Nick C's user avatar
  • 65
1 vote
1 answer
498 views

Disable Tapping Drag in xorg config on 20.04

I am using an Apple Magic Trackpad 2 on my Ubuntu (20.04) Laptop and it works really well. The only thing I want to change is disabling tapping drag. Currently I do this using xinput set-prop, but ...
Sven's user avatar
  • 141
1 vote
0 answers
1k views

Ubuntu 22.04 Nvidia-settings not working anymore

Since I switched to Ubuntu 22.04 I have the problem that I am not able to store my Monitor to 155 hertz refresh rate in the nvidia-settings. It lets me change the refresh rate, but after a reboot, the ...
jrsm's user avatar
  • 511
1 vote
0 answers
925 views

How to permanently set X display to be rotated?

I'm trying to configure Ubuntu 20.04 with X to be always in portrait mode. I can get display rotation to work per-monitor basis using ~/.config/monitors.xml, but this file requires settings per ...
gt10001's user avatar
  • 11
1 vote
0 answers
93 views

Generated xorg.conf by Nvidia drivers for 2 monitors is not correct - Ubuntu 20.04

I have Ubuntu 20.04 installed on an Asus Laptop with a Nvidia RTX 2060 videocard. My drivers versions is 470.82 . I have attached an additional monitor, which works via USB-C - display port adapter. ...
mihaitzateo's user avatar
1 vote
1 answer
3k views

How to change the default GPU?

Disclaimer: pretty new to Linux Relevant system specs: Motherboard: MSI B450 Tomahawk Max CPU: AMD Ryzen 9 3950X (no iGPU) PCIe slot 0: Nvidia 2070 Super (1x monitor connected) PCIe slot 1: AMD RX ...
qwertaii's user avatar
1 vote
0 answers
193 views

Any solution to the problem that nvidia X settings are not loading at startup?

I feel like monitors.xml are overriding the nvidia config, because if I execute nvidia-settings --load-config-only I see that It changes at least the color profile. It doesnt work to put on startup ...
Andres Pasquel's user avatar
1 vote
0 answers
274 views

Ubuntu works well on LiveCD, but the GUI is extremely slow after fresh install

I'm having problems with a fresh install of Ubuntu 20.04 LTS. I decided to install a new ssd on my laptop. It's a Lenovo G480 (i5 processor, 8GB of RAM and integrated Intel graphics). So I took out ...
I B's user avatar
  • 41
1 vote
0 answers
482 views

Ubuntu 20.04 xorg corrupted by conf file

Hello I have PC with Xeon E processor and I am using integrated Intel graphics to drive a VGA display. I am using Ubuntu 20.04 Everything works fine. Then I add xorg.conf file, for other reasons, to /...
An7's user avatar
  • 41
1 vote
0 answers
294 views

custom xorg.conf causes massive slow down while using xbacklight

I'll try to be as short and precise as I can but the problem is complicated. I updated (clean install) from 16.04 to 20.04 today. I use i3wm with two displays, one being my laptop LCD and the other my ...
M47's user avatar
  • 161
1 vote
0 answers
66 views

Ubuntu Studio 20.04 desktop not loading

Relative newbie here. Trying out Ubuntu to hopefully replace my Windows workstation. Install / partitioning went very smoothly, the problem is trying to get two monitors working. Each monitor is ...
shortboarder's user avatar
1 vote
1 answer
360 views

xorg.conf ButtonMapping not working (maybe overridden?)

I have a bluetooth mouse I want to configure, and my 99-eleocmtrackball.conf file in /etc/X11/xorg.conf.d looks like this: Section "InputClass" Identifier "evdev mouse" ...
m.park's user avatar
  • 11
1 vote
2 answers
11k views

Empty /etc/X11/xorg.conf

I'm trying to enable hibernation on my laptop, and discovered that my problems could have something to do with my Nvidia drivers. So I found this fine document on help.ubuntu.com which tells me to ...
OZ1SEJ's user avatar
  • 1,235
1 vote
0 answers
338 views

X server does not have DRI enabled

I have recently asked another question here regarding problems with running steam games in a nested X session with Xephyr. I think now that I have narrowed down the problem to the X server not having ...
Matheus Cardoso's user avatar
1 vote
0 answers
600 views

Problem switching GPUs with prime-select (nvidia and intel)

Im pretty new to Linux and Im triying to get working both my integrated Intel and dedicated Nvidia (1050 Ti) GPUs in my dell XPS 9570, with prime-select program, but Im having troubles. If I dont ...
Keles's user avatar
  • 111
1 vote
1 answer
199 views

X conifguration Throws Error - 18.04

I have a brand new 18.04.3 desktop. The only application I've installed is MythTV. When I run X -configure I get: (++) Using config file: "/root/xorg.conf.new" (==) Using system config ...
Kirk Bocek's user avatar
1 vote
0 answers
382 views

3rd monitor in Ubuntu 18.04: Config not applicable: GDBus.Error:org.freedesktop.DBus.Error.InvalidArgs

I've got a Dell XPS 15 9570 with a TB16 docking station. Ubuntu works fine with 3 monitors (1 built-in + two external). However, strange things appear when I add a 4th monitor. The Ubuntu sysconfig ...
fraber's user avatar
  • 150
1 vote
1 answer
888 views

Making an xorg.conf file results in a login loop for non-Wayland logins

Ubuntu 18.04. Unlike in 16.04, which I upgraded from earlier this week, in order to get my Synaptics touchpad to work as I want it to, I've needed to make an xorg.conf file. However, after rebooting, ...
J. Mini's user avatar
  • 190
1 vote
0 answers
290 views

Ubuntu 16.04 x6 Monitor setup with MST Hub and AMD RX 580 8GB

I recently bought x6 ASUS 24inch monitors for my battle station and I’m having a tad bit of an issue setting up the MST Hub to get the extra 3 working. I’m entirely new to xorg configurations, and i ...
Doug's user avatar
  • 11
1 vote
0 answers
475 views

How do I stop nividia xorg.conf file from reverting after reboot

I am trying to add coolbits option to the nividia x server settings. When altering the xorg.conf file in nano everything takes. When I reboot to access the new options in the x server settings, the ...
Connor S's user avatar
1 vote
0 answers
201 views

Nvidia driver stopped working; having trouble reinstalling drivers

Recently I did some updates and when I restarted, my display stayed blank. I figured it was because the update so I switched my monitor over to the motherboard's port. I'm currently using integrated ...
freeworld's user avatar
1 vote
0 answers
749 views

Ubuntu make Intel HD primary display in xorg.conf

I have a mining rig with 10 GPU on it. It's all running fine except when I'd like to use the Intel HD graphic for display and GPUs for computing. In my xorg.conf file everything works when I boot ...
user3638239's user avatar