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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9
votes
2answers
579 views

How can I toggle the touchpad depending on whether a mouse is connected?

I want to have my touchpad disabled automatically when an external mouse is connected and enabled when there is none. I have tried using touchpad-indicator but that fails in cases when the computer ...
2
votes
1answer
26 views

Is it possible to use libertine on an Aquaris E4.5 yet?

Libertine is a software for ubuntu touch devices, which acts as a container for legacy x-apps to make them running on your device. Thete are videos and instructions of people, who got libertine ...
3
votes
1answer
37 views

Find details of click and keyboard events

I have noticed that there isn't much of an alternative to Problem Steps Recorder for linux, and I am going to try to make one in a shell script. How can I wait until/detect when the mouse is cliked? ...
10
votes
2answers
2k views

`xcalib -i -a` controls only one of two screens - can it control both?

I am using 2 screens, and wish to invert the colors on both of them without using compiz (I'm using gnome shell). I can use xcalib -invert -alter as suggested in this question, but it only inverts ...
3
votes
1answer
480 views

How to disable Intel i915 video module?

My computer is very unstable while running Ubuntu 14.04.2 or upper (anything newer than kernel 3.13) with only a VNC viewer in a sort of kiosk mode, it freezes frequently having to do a hard reset ...
0
votes
1answer
8k views

Restore Xorg core and config files ubuntu 14.04

This question is a follow up on this one. I have recently upgraded from Ubuntu 12.04 to 14.04 and xserver broke during the process. I have tried reinstalling from the command line running the ...
0
votes
0answers
11 views

Steam doesn't start up, how to fix? (SteamUpdateUI: An X Error occurred) [duplicate]

Shows this in terminal: [2016-06-21 16:12:26] Extracting package... [2016-06-21 16:12:38] Installing update... [2016-06-21 16:12:39] Cleaning up... [2016-06-21 16:12:39] Update complete, launching... ...
3
votes
0answers
58 views

Html canvas and X Window Id

I am creating html5 application, and running it using ubuntu-html5-app-container. The page contains a canvas element. Is there any possibility to get X window id for the canvas element? As the one ...
1
vote
1answer
41 views

Keep screen rotation after monitor switched on/off

I have Ubuntu 14.04 with auto login to my session and Intel graphics. My goal is to be able to start ubuntu without any screen connected. I also want to rotate left. Actually if I start my DP or ...
2
votes
1answer
47 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 ...
1
vote
1answer
222 views

Ubuntu not respecting custom keymap

I have modified my keymap for dvorak in the file /usr/share/X11/xkb/symbols/us, but it does not load properly, even after multiple reboots. Suggestions? EDIT: A partial solution I have found is ...
1
vote
0answers
31 views

DRM initialised but dont work at ZOTAC with VIA ZX900 gpu

I have ubuntu 32 bits. My initial problem is freeze of xorg with [ 31.514] (EE) CHROME(0): [drm] Failed to open DRM device for pci:0000:00:01.0: No such file or directory message in Xorg.0.log ...
0
votes
0answers
19 views

mplayer can't find display

I have been trying to get mplayer to play videos from console. It worked fine out of the box on the machine I am using, a Dell Inspiron N5050, in Ubuntu Mate 14.04. I am now on Ubuntu Mate 16.04. ...
0
votes
0answers
7 views

What is the general steps of resolving X-Windows (display) problems in Ubuntu?

When using Ubuntu, the display crashes frequently, especially when using NVIDIA drivers. The phenomenons may be various: low resolution, cannot login, unable to start. So when I meet some of the ...
0
votes
0answers
27 views

FGLRX problem with 16.04 [duplicate]

I recently upgraded to 15.10 to 16.04. The upgrade was seamless. I, for whatever reason, decided to try out the AMD proprietary drivers. Well, had the same problem as Wiley: unable to log in. I am ...
3
votes
1answer
26 views

Why does installing collectd on Ubuntu 16.04 require X11?

I am setting up monitoring using Riemann and collectd on my server. When I do sudo apt-get install collectd , I get a huge list of packages including X11, fonts and icon-themes. The other option is ...
1
vote
1answer
77 views

Stop monitor from going to sleep in ubuntu 16.04

I want to stop monitor from going to sleep in ubuntu 16.04. I am using /etc/X11/xorg.conf file in Ubutnu 14.04, which has below lines written in it. Section "ServerFlags" Option "BlankTime" "60" ...
0
votes
0answers
10 views

Lowering Graphics and Processor Clock Nvdia GeForce 570

My graphics card it's standard graphics and or processor clock setting is too high. It crashes sometimes. On windows I used MSIafterburner to lower it a bit, but a google told me that MSIafterburner ...
0
votes
4answers
9k views

How do I set resolution to 1440x900 with Nvidia?

I have an Nvidia GeForce 9800 GT card and suddenly after some recent updates on 12.04, I am unable to get my resolution higher than 1024x768. It used to be 1440x900. I have tried uninstalling and ...
2
votes
2answers
21k views

Installed ATI/AMD proprietary FGLRX driver, but it is not being used by window manager. How do I enable it?

I have conflicting information being given to me, on the one hand the "Additional Drivers" panel mentions that the ATI/AMD proprietary driver is installed, but the "Details" panel tells me the "...
1
vote
0answers
122 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 ...
0
votes
0answers
12 views

NVIDIA 480i Component Output Modelines

I have an old Sony CRT (480i) and NVIDIA 6600LE video card with Component (YPbPr) output. Everything is plugged in. BIOS screen works fine, but Linux distributions are outputting either 480p or the ...
16
votes
1answer
796 views

(alt) and (super) keys suddenly stopped working in gnome 3

For my daily work I use two keyboard layouts: The normal German Qwertz (setxkbmap de) as well as Neo (setxkbmap de neo). Yesterday suddenly between switching back and forth between keyboard layouts ...
0
votes
0answers
39 views

Multi Screen setup using SLI

I saw this question but the answer doesn't seem to be correct. I'm using 1 GPU per monitor and tried as the answer instructed but if I do that my primary screen becomes unreachable. So, I changed the ...
3
votes
1answer
30 views

setting the default gpu

I have two gpus on my machine: $ lspci | grep VGA 01:00.0 VGA compatible controller: NVIDIA Corporation GM200 [GeForce GTX 980 Ti] (rev a1) 03:00.0 VGA compatible controller: NVIDIA Corporation GF108 ...
2
votes
0answers
15 views

Change screen to black and white for accessibility reasons

I need help changing my screen to black and white, but in a specific way. On GIMP, you can desaturate the colours based on Lightness (2) and Luminosity (3). I need my entire screen to be converted to ...
0
votes
0answers
16 views

S-Video stopped working after installation of Ubuntu 16.04

My problem is produced right after the installation of the latest updates. I can see no Xorg.conf file in /etc/X11. using xrandr returns Screen 0: minimum 8 x 8, current 1280 x 800, maximum 32767 x ...
1
vote
0answers
12 views

16.04 LTS. zBook with Dreamcolor and nVidia. Disabled screen turns on after screen lock

I have an HP zBook with a Dream Color display and nVidia graphics. I use an external zDisplay. I go into the nVidia X server settings and turn off my built in laptop display in order to only use the ...
3
votes
0answers
31 views

How to run a program in its own, temporary, xdisplay (runx)?

For background I like to play some older games that really run better in super low resolutions and having the whole desktop switch to 320 x 400 is really not that great. I've gotten around this by ...
10
votes
2answers
19k views

How to disable -nolisten?

I just installed ubuntu 11.10. I want to run an x-app from another system. I updated ./xinit/xserverrc and removed the -nolisten option. I rebooted. I can see that X is started with the nolisten ...
0
votes
1answer
42 views

this device is using an alternative driver[GeForce GT 630M ]

Here is the screenshot of the additional drivers: I want to use NVIDIA driver so that I can use tensorflow GPU version on my pc. I selected the NVIDIA driver and restarted but it is not working. ...
5
votes
2answers
6k views

X11 forwarding in SSH

How to run X11 GUI applications from a remote server using SSH? For example: my first desktop 192.168.1.1 my second desktop IP 192.168.1.12 I 'm sshing from my first desktop to the second and i ...
0
votes
1answer
250 views

Which drivers to use for AMD Kaveri APU for ubuntu 16.04

I just managed to install Ubuntu 16.04 using nomodeset through this method. But now when I see in software & updates-->additional drivers, it shows unknown:unknown the device is not in use. What ...
3
votes
0answers
57 views

Black screen on boot when any NVIDIA drivers installed

I have a machine with Ubuntu GNOME 15.10 and an NVIDIA GTX 970 graphics card. For the last few months it was working fine with nvidia driver 352.63 and CUDA 6.5 installed, however I recently tried ...
3
votes
0answers
27 views

Remap power button on mouse (using X)

There is a button on my mouse which hibernates my system and I want to map it to do nothing. This button was originally mapped to do something else in Windows using the Windows software that came with ...
0
votes
1answer
118 views

How to correctly patch xrandr to resolve the scaling bug?

I have the xrandr scaling bug described in: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/883319 (In short: I have a HiDPI laptop + an external monitor. When connected, the external ...
0
votes
1answer
466 views

Custom xorg.conf in ubuntu 16.04

Unluckily my monitor not correctly recognized by Xorg and it has never been so the very first thing I always do after a new install is to copy my custom xorg.conf to the directory /etc/X11. It is very ...
0
votes
0answers
56 views

Dell Precision 7510 Ubuntu - reference configuration

I've just bought Dell Precision with 7510 Ubuntu 14.04 insatlled on it. I've did not back up my settings before checking them. Could anyone post me xorg configuration for such a laptop? It consists ...
13
votes
2answers
4k views

How can I get my monitor's maximum resolution without the proprietary AMD graphic driver installed?

I am using Ubuntu 14.04. I have an AMD Radeon 5570 HD graphic card. Actually, the default open source REDWOOD drivers aren't allowing me to choose my monitor's maximum screen resolution(which is 1366 ...
0
votes
1answer
4k views

Graphics problems on Asus EEE 1101 HA, Precise Pangolin

I installed Precise Pangolin x386 Desktop version via USB stick without incident. There are two, possibly related, problems: After suspend (e.g. closing the lid), the graphics are corrupted as ...
40
votes
7answers
26k views

How do I fix fonts not rendering and missing letters?

I have a fresh installation of Ubuntu 14.10 on my laptop. It appears that letters are missing from files and folders, as well as menus and configuration windows. I'm not sure where to start in order ...
5
votes
2answers
4k views

NVIDIA proprietary driver logging me to console instead of GUI

Firstly i want to apologise for any mistakes, English is not my native language. My problem is I can't get NVIDIA proprietary drivers to work. I tried to install it on Ubuntu 12.04.1 32 and 64 bits, ...
0
votes
0answers
18 views

Display configuration only shows max

Once I started using the proprietary NVidia driver, I have only been able to see the max. resolution in the display settings. If I use the NVidia app, I can see all configurations but they do not ...
2
votes
1answer
44 views

I cannot type a lowercase letter K in Ubuntu Mate on Lenovo P50

This is by far the strangest bug I have ever seen. I'm in the process of configuring a fresh installation of Ubuntu Mate 16.04 on a Lenovo P50 Laptop. I'm unable to type a lowercase 'K'. Uppercase ...
4
votes
1answer
134 views

ThinkPad Intel Graphics issues 16.04

I've been having some fairly major issues with Ubuntu graphics. Googling turns up many Launchpad bugs, many Stack Exchange articles and pages from other forums. But no one seems to be fixing this so I'...
1
vote
0answers
27 views

What files do I delete to have my display configuration automatically detected again?

After numerous do-release-upgrades from 14.04, I'm have issues with my LCD display. Can I just delete /etc/X11 and it will all recreate itself? Or what exactly can be done?
2
votes
0answers
190 views

How to disable monitor auto configuration?

Im running Ubuntu 16.04 (dev branch), XFCE as desktop environment. My computer is connected to two monitors. One via regular VGA cable and the other is connected to a HDMI Switcher. That setup works ...
1
vote
0answers
24 views

Running in low graphics mode - existing suggestions fail to solve the problem

without being able to recall having installed anything new etc, my system now shows the low graphic mode message when I try to boot. Curiously, when I choose the recovery mode, followed by resume, I ...
0
votes
0answers
20 views

X not starting, rest of boot process works

I am running 16.04. When I boot, everything goes perfectly up to the point where lightdm would normally launch. I have tried every kernel I have. X is installed and lightdm is installed. I cannot do ...
1
vote
1answer
30 views

How might I run web browsers from separate spaces (sandboxing)?

Situation: In web development I need to be logged into an application as an administrator, normal user, unauthenticated user etc. I'd like to have a set up where each browser window is unaware of the ...