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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6
votes
4answers
6k views

Screen brightness isn't taking effect on a Lenovo Z570

My Lenovo Z570 has two GPU's, nVidia and Intell. Brightness control has no effect what so ever over the screen brightness, and because I've had some major issues in the past when I was trying to ...
3
votes
6answers
18k views

Make xconf configuration permanent

I edited the xconf file, and added this line to device section: Enable brightness control=1 Now I am able to adjust brightness, but after every restart the brightness setting change back to 100%. ...
0
votes
1answer
48 views

Getting icon of window, and then changing icon

My goal is to get the icon which is currently on the window. (Then using some img tools I'll modify that icon, then save it to a location, I can do this part no need for help here please). Then I ...
0
votes
0answers
18 views

Cannot access secondary GPU - error: Could not load GPU driver

I tried multiple different drives, nvidia-340, nvidia-331, nvidia-331-updates, nvidia-343 and with the same result: # optirun -vv --debug bash [ 785.862681] [DEBUG]Reading file: ...
0
votes
0answers
18 views

Display/Graphics problems after Ubuntu 14.04 upgrade

After upgrading from ubuntu 12.04 LTS to 14.04 trusty tahr I am getting weird problem with the display. Weird gray lines appear on screen and the desktop becomes unusable and restart is the only ...
6
votes
2answers
5k views

Ubuntu 14.04 nvidia-prime “is it supported? no”

I have an Optimus laptop, a Dell XPS 15 L502, which I've had for a few years and have tried various things on (bumblebee, nvidia-prime, linux kernel optimus support). The graphics card is an NVIDIA ...
0
votes
1answer
92 views

X Server config used by lightdm

What I want to do is to start a x server just like the lightdm did. But I can't get the X server perform just like the one started by lightdm. I see the X server process executed by lightdm is: root ...
1
vote
1answer
29 views

How to run the Ubuntu window manager in a window on another system

Let me call the Ubuntu system "the server" (runs gnome) and the X server "the terminal" (which uses Tom's window manager). I can run the command gnome-session on the server through a ssh tunnel from ...
0
votes
0answers
5 views

Get ARGB data from html5 canvas

I have a html5 canvas element and I'm trying to get an array of ARGB data (32bit packed data, for use with x11/xorg/xlib). My code and jsfiddle attempt is at bottom. I don't know how to do this ...
0
votes
0answers
73 views

Xubuntu 14 Nvidia drivers problem

I have a Nvidia Geforce GT740m on my Dell vostro 5470. I've been having troubles with graphic drivers. When I use software&updates to seek for additional drivers it'll give me several selections, ...
0
votes
1answer
17 views

How to compile with X11 library?

I'm trying to compile this code here: http://lists.kde.org/?l=kwin&m=115435217715650&w=2 I compile it with this line of code: gcc -lX11 -lstdc++ -L/usr/X11/lib -o icon icon.c but it keeps ...
1
vote
2answers
46 views

Disable touchpad at login screen

EDIT (revision 4) According to this ubuntuforums.org post, upstart cookbook and CameronNemo's answer, I tried to change the first line with start on login-session-start and I moved the conf file ...
0
votes
2answers
53 views

xorg.conf for two monitors, single ati graphics card

There are many iterations of this question, few with actual working answers, so after a few hours of trying to get it working on my machine, I will post my solution. How do I configure my Ubuntu ...
0
votes
0answers
9 views

How to have multiple instance of unity-settings-daemon

Is there a way to have another running unity-settings-daemon on a different $DISPLAY. I tried --display=:1 but I always got this error. ** (unity-settings-daemon:xxxx): WARNING **: Name taken or bus ...
2
votes
4answers
2k views

GNU Emacs can't work on X11 and crashes with a message "Font `Ubuntu Mono 13'

I got an GNU Emacs' problem, it can't work on X11 and crashes with a message "Font `Ubuntu Mono 13' is not defined" but it works fine without X, more Xemacs can run without problem, GNU Emacs is a ...
0
votes
2answers
83 views

Xorg 1.16 in Ubuntu 14.04 64 bits

I have installed de Xorg-edgers repository in Ubuntu 14.04, when I check the version It reply: X.Org X Server 1.15.1 Release Date: 2014-04-13 X Protocol Version 11, Revision 0 Build Operating System: ...
0
votes
0answers
33 views

Ubuntu 14.04, fresh installation, fail to setup nvidia graphics, GeForce FX5500

I've been strugling with this issue for a while now. I figured I need nvidia-173 drivers, so I installed them, module is fine and loading. But as soon as X server starts, I get nice NVIDIA logo on ...
0
votes
0answers
91 views

Application windows become unresponsive for some time in Ubuntu 14.04 LTS

Before somebody wants to mark my question as duplicate I'm letting you know that I read a lot of alike questions and their solutions but none of them describes the same symptoms and their answers ...
0
votes
0answers
10 views

How do I change the default video to 1024 by 768 on Xubuntu 14.04

I am trying to get an old Fujitsu laptop to work on Xubuntu 14.04. In safe mode the default resolution is 1024 by 768 in the the normal mode it is 640 by 480 with no other options. The video is SIS ...
2
votes
6answers
8k views

NVIDIA X Server Settings lost on every reboot

I am running a GeForce GTX 770 on a Z87 Gigabyte mobo and dual-boot Windows 8.1 Pro and Ubuntu 12.04.3 LTS. The setup runs smoothly overall except for when it comes to video and 3D performance in ...
0
votes
0answers
35 views

Nvidia drivers macbook pro retina (10,1) 14.04

So, I'm currently dual-booting 14.04 and OSX on my macbook pro retina (10,1). I am currently using the nouveau drivers and have had no luck what-so-ever getting the nvidia drivers to work. What ...
0
votes
3answers
135 views

Why do desktop / monitor screens fail after staying logged in overnight?

I am currently running Ubuntu 13.10. I experienced this same issue with Ubuntu 12.04, so I dont believe the following issue is tied to a specific release. I am using Ubuntu for work, by choice. Id ...
0
votes
1answer
36 views

Changing the mouse cursor shape on Lubuntu [duplicate]

Is it possible to change the cursor shape in Ubuntu desktop ? Also is it possible change the cursor shape, when the mouse pointer is inside a certain region ?
1
vote
0answers
64 views

can't get back into ubuntu 14.04 LTS/xfce4 after x.org update - known conflict x.org & xbmc

i'm sorry to report, i'm afraid i have inadvertently bork'd my ubuntu install up, pretty good this time. i cannot even get back in to alter or delete anything that might be causing the problem - it ...
26
votes
10answers
59k views

Radeon HD 2000, 3000, 4000 on Ubuntu 12.04.2 and higher: fglrx (legacy) unsupported, what to do?

After upgrading to 12.10 quantal, the packaged version of fglrx no longer works. I discovered that this is because there is a separate 'legacy' fglrx driver for the HD 2k-4k series cards, but it is ...
0
votes
1answer
437 views

xorg.conf for hybrid ATI/Intel

I'm trying to get my Intel HD 4400 and AMD Radeon 8670M working with the open source drivers. If I boot with an xorg.conf that includes: Section "Device" Identifier "Intel Graphics" ...
1
vote
0answers
26 views

Increase virtual screen size past 4096 x 4096 on Ubuntu 14.04 LTS

I have two 27" monitors with a 2560 x 1920 resolution each. When I try to extend my desktop across them both I get the below error: So, if I need to increase the maximum virtual screen size? To ...
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 ...
0
votes
0answers
4 views

Counteract X's -nocursor argument in a running server

I'm starting X on our media centre with the -nocursor argument. The cursor is still there, it's just invisible, which is what I want 99.9% of the time. However recently there have been times where ...
124
votes
6answers
91k views

How do I remap certain keys or devices?

I'm searching for a way to remap certain keys in ubuntu. i.e. I'd like to change PgUp to Home or PgDown to End. Does a built-in command or a tool exist reassign keys in Ubuntu/GNOME?
1
vote
1answer
32 views

Display randomly goes into wrong position

Running Xubuntu 14.04 on a Mac Mini, using open source ATI driver (more info below). After some time running in Xorg, the display 'rearranges' itself so the beginning and the end of the screen (at ...
0
votes
0answers
48 views

Screen resolution cannot be set to optimal (Dual boot Ubuntu 14.04-Windows 7)

I recently made a partition in my Acer Aspire 5750G laptop to have Ubuntu 14.04 together with the original Windows 7. The original resolution (of the integrated screen) on Windows was 1366x768, but on ...
0
votes
1answer
86 views

Odd flickering after video driver update

I'm not sure how to describe this other than to show you guys. I captured a video and uploaded it to YouTube here: http://youtu.be/Bp25Fyy_GsI Notice how the tab selection keeps changing by itself ...
3
votes
2answers
2k views

Ubuntu 12.04.3 Graphics Issues: Broken Pipes, Reinstalled Xorg and Bumblebee

It seems I have a problem, and am only making it worse by following what I find online. I have a new Asus N550JV-D71 (not sure about the part after the dash, though I definitely know it includes 71). ...
0
votes
0answers
70 views

How to disable nvidia xserver panning?

I have just connected my external monitor 1980x1200 to DisplayPort. I have Nvidia Optimus technology so I had to change into nvidia graphics. Monitors are working fine, I just got a problem, that my ...
0
votes
0answers
27 views

How to enable SLI on Ubuntu 14.04?

I have a Lenovo Y510p Laptop with two gt755m graphics cards. I installed Ubuntu updated everything and installed the nvidia drivers. When i want to enable the SLI config in /etc/X11/xorg.conf then the ...
124
votes
37answers
353k views

How to fix “The system is running in low-graphics mode” error?

Note: This is an attempt to create a canonical question that covers all instances of "low-graphics mode" error that occurs to a user, including but not limited to installation of wrong ...
2
votes
2answers
85 views

Windows have black borders after hibernation Unity

when my 64bit Ubuntu 14.04 machine "wakes up" after hibernation, windows look like this: http://imgur.com/a/9E6xa (Sorry for inconvenience, but board restrictions won't let me post photos) The ...
0
votes
1answer
44 views

Upgrade from Ubuntu 12.04 to 14.04 gives black screen and x cursor on startup

I have a Dell 11 chromebook on which I downloaded crouton, and through that, ubuntu 12.04. 12.04 was working perfectly well until I got a message from the update manager asking me to update to trusty ...
1
vote
2answers
93 views

Why do these xte commands work in terminal, but not when bound with xbindkeys?

This xte command, when I run it in a terminal, triggers Expo mode: xte 'keydown Super_L' 'key S' 'keyup Super_L' However, when I put this in my .xbindkeysrc file: "xte 'keydown Super_L' 'key S' ...
1
vote
1answer
73 views

Yoga Pro 2 - “The system is running in low-graphics mode" [closed]

After installing Ubuntu 14.04 on Lenovo Yoga Pro 2 (as dual boot machine in UEFI mode) I got the low graphics mode error and can't login. I can boot from live-usb key or Windows 8.1 (but who want's ...
0
votes
1answer
53 views

X session locks up

I'm supporting a friend running Ubuntu 14.04 LTS. After initial installation, we used tasksel to convert to Ubuntu GNOME. He has since encountered a perplexing issue where after opening a particular ...
1
vote
1answer
67 views

Ubuntu 14.04 LTS under Parallels: Graphic Distortion after update

Hardware: - Apple MacBook Pro RETINA 13", Late 2013 SOFTWARE: - OSX 10.9.5 (13F34) - Parallels Version 10.0.2 (27712) - Distributor ID: Ubuntu ° Description: Ubuntu 14.04.1 LTS ...
0
votes
0answers
31 views

Setting up 2 monitor workspace with Nvidia Optimus and save settings in Xorg.conf

here is my current Hardware Setup : Lenovo Laptop connected with 2 external monitors. Laptop uses Nvidia Optimus technology, switching with prime-select nvidia|intel , is working fine, with only ...
1
vote
0answers
28 views

Unable to change to native resolution

Using Ubuntu 14.04, I am unable to change my monitors resolution to its highest native supported resolution: 1920x1080. It is instead stuck on 1024x768. After booting, and after LightDM first starts, ...
1
vote
1answer
3k 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 ...
1
vote
2answers
647 views

cannot plot graph in gnuplot-x11

I am using gnuplot under ubuntu 12.04. When i type in terminal : Terminal Type Set to 'unknown' gnuplot> plot sin(x) it only shows next step: gnuplot> but it doesn't show the graph ...
0
votes
0answers
53 views

Ubuntu 14.04 Freeze screen after startx

I have a laptop with a new installation of Ubuntu 14.04 on it. I installed i3 windows-manager instead of all the gnome environment. I have a strange behaviour three boots out of four: after selecting ...
1
vote
1answer
33 views

What should I do if the desktop is off the monitor?

I have a Samsung Series 7 LED TV that I've hooked up to a computer. But my problem is: When I start Lubuntu, the second the framebuffer initializes, it goes off screen. I disabled the framebuffer, and ...
0
votes
0answers
31 views

can't get nvidia to work [duplicate]

I have Asus VivoBook S551LN it has 2 graphic cards 1-Intel hd integrated 4400 2-Nvidia Geforce 840m (4GB) I use Voyager distro which based on Ubuntu 14.04 and I have installed KDE the system works ...