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)

learn more… | top users | synonyms (2)

0
votes
0answers
15 views

Screen tearing when scrolling and in games

I've been getting screen tearing that is only present in Ubuntu (MATE 16.04). Often when scrolling on pages, I get a horizontal line that tears through, and the same goes for games, particularly ...
3
votes
3answers
29k views

startx fails to start

I ran the Software Manager and now startx doesn't start anymore. After I start my laptop and log in, the screen stays stuck on the login page (I tried with both gdm and lightdm). Switching to console ...
2
votes
1answer
1k views

How to enable Vsync?

Ok. So I'm trying out Linux today and noticed some tearing on my desktop. You know, like playing a PC game and Vsync isn't enabled. This problem is most prominent when I'm scrolling down my ...
0
votes
0answers
30 views

Ubuntu 16.04 login loop wit nvidia GTX 960M

I've been through several questions about login loops with no result for my case. My laptop is a MSI GP62-861XES i7-6700HQ 16GB 1TB GTX960M I've tried with nouveau and several versions of nvidia ...
7
votes
2answers
6k views

How to disable mouse wheel scroll in ubuntu 11.04 or 10.10?

ive got problem with broken scroll wheel. (I know i shoud change mouse, its old). And i want to just disable wheel scroll but not middle button click. I know that it is possible to do, but cant find ...
0
votes
0answers
10 views

two gpu two x servers, move mouse from one x server to the other

and xinerama sucks.. So I thought I might use two x servers.. but I do not understand how I move the mouse courser from one screen to the other. Thanks.
0
votes
1answer
50 views

Ubuntu 16 doesn't boot graphically and startx doesn't work

Ubuntu used to work almost fine the last two weeks, I restarted it to play a game under windows, I restarted it again to boot Ubuntu again and now if I boot normally, it gets stuck in the boot ...
0
votes
0answers
14 views

lightdm gdm and slim

I don't have a login screen. Doing sudo service slim start brings me to a login screen which then turns blank. Essentially I do enter my credentials but apparently log into nothing. sudo service ...
0
votes
1answer
12 views

Is it possible to run a virtual terminal in X session

I want to try some svgalib graphical examples which switches to tty7 console. Instead I want to try it in X session, so I need virtual terminal in fixed size (say 100x100) in current desktop without ...
11
votes
2answers
12k views

How to run 2 X sessions with different display managers?

I read about the virtual terminals a little and that gave me an idea. I searched for a way to have two X sessions simultaneously. I had a look at these sites : 1. How to run multiple user X sessions ...
4
votes
4answers
40k views

Can't get xterm to work. DISPLAY not set.

Here are my settings: $ xterm xterm Xt error: Can't open display: xterm: DISPLAY is not set $ echo $DISPLAY $ cat /etc/ssh/sshd_config | grep X X11Forwarding yes X11DisplayOffset 10
1
vote
0answers
11 views

Xorg repeatedly tried to add built-in webcam as keyboard

First time poster here. I'm having a problem with xorg and my laptop Dell Inspiron 15 7537 running Ubuntu 15.10. I'm not configuring the nvidia GT750M in my system so no nvidia stuff at all in my ...
1
vote
2answers
1k views

Steam won't start on Ubuntu 16.04

After it was reinstalled, updates downloaded but it won’t start even from the terminal. This is the error message it gives: Running Steam on ubuntu 16.04 32-bit STEAM_RUNTIME is enabled ...
0
votes
2answers
58 views

Dual DVI Monitors not Extending, Lubuntu

I have recently returned to Linux and am attempting to setup my new PC rig. I've run into issues with the way my monitors are setup. I have done a fresh install of Lubuntu (You can view the version ...
0
votes
1answer
46 views

Thinkpad W540 internal input devices not detected in Ubuntu 15.04

The touchpad, trackpoint, and keyboard aren't detected after boot. I know that the keyboard still works because I can use it to navigate the BIOS. Looking at my X server's log, I can see that my ...
24
votes
6answers
16k views

Is there a software utility to adjust screen gamma/brightness/contrast?

I use to work at night and it is eye-hurting to watch at lightbulb-bright screens (I've got two - laptop's built-in panel and an external 18-inch CRT) in a dark environment. So I adjust my screens to ...
0
votes
0answers
19 views

Java Swing Application Ubuntu 14.0.4(x11 problem)

I am using java swing application on ubuntu 14.0.4 32/64 bit os.i am using servlet listener to trigger my swing application.I have configured tomcat as service in ubuntu to start it automatically. ...
0
votes
2answers
78 views

Installing NVIDIA GEFORCE 820M Driver in Ubuntu 16.04 LTS

I want to install Nvidia Geforce 820M graphic card driver in ubuntu 16.04 LTS. I tried all sort of sudo apt-get install nvidia-current and all those ppa, Additional Driver, Synaptic.. But still the ...
11
votes
9answers
22k views

xorg.conf changes from nvidia-setting have no effect after reboot

I have upgraded from 13.04 to 13.10 today and everything works smooth apart from one thing. I have a dual monitor setup and every time reboot the screens have switched places (left screen on right ...
72
votes
4answers
46k views

What is the difference between `ssh -Y` (trusted X11 forwarding) and `ssh -X` (untrusted X11 forwarding)?

What is the difference between ssh -Y (trusted X11 forwarding) and ssh -X (untrusted X11 forwarding)? As far as I have understood it, it has something to do with security, but I did not grasp the ...
0
votes
0answers
29 views

Ultrawide monitor only showing desktop on part of the screen

I'm currently running Ubuntu 16.04 LTS on a MSI Dominator Laptop, and with the laptop screen disabled and only using my external monitor (LG 34UC88 @ 3440x1440 21:9) Ubuntu refuses to display across ...
2
votes
2answers
4k views

Kubuntu 14.04 hangs at startup after installing fglrx

After installing the new AMD Catalyst beta driver (14.6), my system hangs at the boot screen, however I am able to access the TTY terminals. I installed fglrx as follows: Downloaded the drivers ...
-3
votes
0answers
94 views

Ubuntu 16.04 Nvidia Driver Problems [closed]

Ubuntu 16.04, 15.10, 15.04, 14.10, 14.04, 13.10, 13.04 ... until the first version we have Nvidia Driver Problems Whats wrong with you Cannonical and Ubuntu Devs? Since first versions of Ubuntu, the ...
2
votes
3answers
4k views

error: Cannot autolaunch D-Bus without X11 $DISPLAY

I urgently need to reset Compiz to its default settings because my desktop doesn't show the Dash or menu bar. When I type: dconf reset -f /org/compiz/ It says: error: Cannot autolaunch D-Bus ...
0
votes
0answers
31 views

How to select/activate monitor to use via terminal?

I have just installed Ubuntu Server 16.04 LTS on an all-in-one pc Acer Aspire Z1650. Installation went smoothly and succeeded. But, now I have a problem. After restarting for the first boot, the ...
1
vote
1answer
30k views

how to restore default graphic driver configuration

I am running ubuntu 14 on a mac machine. recently I notice compiz was too slow, so I changed from default generic driver to propietary. after that, I got a blank screen. I am able to enter recovery ...
0
votes
1answer
22 views

Start X without nolisten tcp on 14.04

I have ubuntu version 14.04 and lightdm version 1.10.6 I am not able to start X with tcp There have been similar questions on this forum, but they all point to creating config in /etc/gdm I dont ...
0
votes
0answers
22 views

How to start X application with specific width an height?

I didn't found good solution except using xdotool enter link description here, Could I just append some arguments after application start command to archive this? Thanks for your help.
0
votes
1answer
67 views

I cant get 1920x1080 with Intel Linux Graphic Driver

have a motherboard with integrated Intel HD 4600 Graphics. Im running a fresh installed Ubuntu 15.10 with the official driver of Intel Installed: intel linux 01 graphics But i cant get resolutions ...
2
votes
3answers
4k views

PowerXpress error with Driver Catalyst. How can I fix it?

I have install Ubuntu 11.10 64bit on my Hp Dv6-3150el. My Notebook has two graphics cards: lspci | grep VGA 00:02.0 VGA compatible controller: Intel Corporation Core Processor Integrated Graphics ...
50
votes
5answers
93k views

What is terminal command that can show OpenGL version?

So I want to find out which is my OpenGL version. I have access to Ubuntu via SSH. Which command shall I execute?
1
vote
2answers
52 views

How can I force the X server to use my nvidia card?

I have 2 external monitors connected to the docking station. I can only make 1 of them to work. I am pretty sure that to drive the second monitor I will need to use the NVidia adapter. It used to ...
4
votes
3answers
2k views

Third mouse-button emulation

Up until version 11.04 of ubuntu I could simply add an option to my X InputClass to emulate a third mouse button for my HP TrackPoint like this: Section "InputClass" Identifier "Trackpoint" ...
0
votes
0answers
8 views

How to rotate display under ubuntur server with fluxbox?

I have a desktop with ubuntu server and fluxbox. I want to rotate the display 90 degrees clockwise. I looked online and tried this solution. Append data to xorg.conf run xrandr On my machine, ...
0
votes
1answer
32 views

Nvidia GEForce GT 610 installed via additional drivers changed the default color to blue

I did a fresh install of Ubuntu Desktop 16.04 LTS - 64 bit along side Windows 10. When the default nouveau driver was used for my graphics card..the color was purple - default color of Ubuntu Linux. ...
0
votes
1answer
27 views

Reinstalling wine after upgrading 14.04 to XOrg lts-wily

I upgraded a KUbuntu 14.04 LTS install to xorg-core-lts-wily and all its dependencies, in order to be able to run on a 6th gen i3 with a HD520 graphics. That meant I lost wine, and I cannot seem to ...
4
votes
1answer
4k views

How can I troubleshoot why Ubuntu keeps crashing on my laptop?

I have a one year old Acer Aspire 4752G netbook running Kubuntu 12.04 LTS with all the latest distribution updates installed. It was previously running great until about a week ago when it suddenly ...
2
votes
1answer
45 views

How to get all four monitors working?

I have 4 monitors on my desktop setup: ASUS z97-E/usb3.1 NVIDIA GTX 750 ti graphics card Intel Core i5-4690 Two bottom monitors are hooked up to NVIDIA card. Two top monitors hooked up to Intel ...
1
vote
1answer
135 views

Ubuntu driving 4K LG TV (55UF7600)

I have a laptop that is capable of driving 4K screens (drives a 2K screen regularly). I'm trying, without success, to get it to drive a 4K TV (LG 55UF7600) through a Display Port out to an HDMI in ...
0
votes
0answers
35 views

Dual GPU (Nvidia + ASPEED) extended desktop configuration help Ubuntu 16.04

I can't seem to find the answer to my configuration problem. I have 2 graphic cards, one on the motherboard (aspeed) and one on PCI-E (Nvidia). lspci | grep VGA 04:00.0 VGA compatible controller: ...
1
vote
0answers
14 views

mouse focus problem

I've just installed ubuntuMate 16.04 and am encountering a very annoying problem. After using the pc for a while: - it becomes impossible to change focus to another window by mouse click - it is ...
1
vote
0answers
17 views

Use exteral numpad for shortcuts

I have a laptop and an external USB numpad. I'd like to lay the numpad at my left hand and use it for shortcuts, eg. switching desktops, running apps. I figured that I've got to make Linux treat ...
3
votes
0answers
582 views

Xorg can't find screens

I recently installed Ubuntu 12.10 on my laptop. It installed successfully, but whenever I boot into it, after the GRUB screen I get a text TTY. I can log in with that and enter command-line commands. ...
0
votes
0answers
49 views

Troubleshoot instant freeze after login on Ubuntu 16.04?

On a clean Ubuntu 16.04 desktop install, I'm encountering total system freeze (tty+ssh down) as soon as I login (during the fade animation). The system is a recent Intel NuC (Nuc6i5) with a Skylake ...
1
vote
0answers
52 views

Enabling VSYNC with Nvidia drivers

I am running Ubuntu 16.04 with a Nvidia GeForce GT 630M graphics card using the 361.42 Nvidia proprietary driver. I am trying to enable sync to vblank for OpenGL applications, but to no avail. The ...
1
vote
2answers
2k views

X fails to load

Today I tried to boot Ubuntu with 9wm (which I had installed before), first by modifying the GRUB boot from 'quiet splash' to 'text', later adding it to LightDM. As it didn't work, I removed the ...
0
votes
0answers
12 views

graphics crashes frequently

I use Titan X under Ubuntu 14.04 and I have installed the nvidia driver. But it doesn't work properly since several days ago. The screen goes like the following suddenly. Sometimes I cannot even ...
0
votes
0answers
45 views

Black screen after boot with Nvida drivers and bios screen corruption

[Cross posting from ubuntu forums: http://ubuntuforums.org/showthread.php?t=2324197] Hi, hope someone can help. I've a old Rock x770 laptop (clevo M57RU) with nvidia GTX7950go graphics card, intel ...
0
votes
1answer
21 views

Why “xterm -display localhost:0.0” fails

When running xterm -display localhost:0.0 I get the following error: xterm: Xt error: Can't open display: localhost:0.0 I get the same error if I substitute 127.0.0.1 for localhost but xterm ...
0
votes
1answer
218 views

ubuntu 16.04 xorg crash with AMD R7 370

Upgraded 15.10 to 16.04 today. Resulting in Xorg crash and really slow graphics (llvmpipe). With AMD R7 370 graphics card. From error log read: Xorg crashed with SIGABRT in DoConfigure(). What could ...