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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1
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0answers
34 views

How to get native resolution of a monitor?

My Ubuntu installation seems to have magically guessed my monitor's native resolution (it's the mode it's set to on startup). Unlike most, my monitor's native resolution is NOT its highest ...
0
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0answers
57 views

How can I enable scroll wheel acceleration on a Microsoft TrackBall Explorer 1.0?

From what I can gather I'll need to modify one or more .conf files under /usr/share/X11/xorg.conf.d. Here's the output for the mouse xinput: xinput list-props 9 Device 'Microsoft Microsoft Trackball ...
1
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0answers
22 views

How to get ButtonPress and ButtonRelease events from middle button in Synaptics' clickpad?

I have a Synaptics touchpad, with a 3 buttons clickpad (it is a ThinkPad X1 Carbon with physical buttons). Using xev, when I click the middle button I get the corresponding ButtonPress and ...
13
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2answers
3k views

How can a script detect a user's idle time?

I want to check, inside a bash script (*), how long the user of a X session has been idle. The user himself does not have to be using bash, but just X. If the user just moved the mouse, for example, ...
0
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2answers
130 views

Dual-screen instead of only one screen

Since the upgrade from Ubuntu 13.10 to 14.04, I have problems with my screens. My video card is a Radeon HD 7870, it uses the fglrx-updates driver. My main screen is a 24" with a resolution of ...
0
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0answers
29 views

Sudden sluggish performance of ubuntu system

since 3 days a very important system at my workplace started a most peculiar behavior. There is no internet connection on that PC and no updates have been made. When I started the PC 3 days ago after ...
0
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1answer
144 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 ...
0
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1answer
277 views

Random xubuntu 14.04 Xorg graphics freezes

I've got a fairly new Asus X550CC laptop with up to date xubuntu 14.04 on it. I'm using NVIDIA graphics drivers version 343.13. From day one I installed xubuntu on this machine I've been getting these ...
1
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1answer
479 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
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1answer
87 views

Will an ultrawide monitor work with my Ubuntu laptop?

I'm thinking of buying one of these new ultrawide monitors and I was wondering if anyone has had any luck using them with Ubuntu or any other Debian variance. I'm planning to plug it into a Lenovo ...
2
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0answers
72 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 ...
1
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1answer
389 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 ...
1
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1answer
135 views

Black screen and later garbled screen after installation 14.04, where should I begin?

Just a foreword, this is my first foray into anything Linux related. Please forgive me if my lingo isn't up to par. I just installed Ubuntu 14.04 last night. After I removed the installation disk ...
8
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4answers
8k 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
21k 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
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1answer
69 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
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0answers
66 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 ...
8
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2answers
8k 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
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1answer
123 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
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1answer
34 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
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0answers
13 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
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1answer
28 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
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2answers
63 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 ...
1
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2answers
204 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
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0answers
39 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
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2answers
362 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
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0answers
70 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
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0answers
16 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 ...
4
votes
6answers
11k 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
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3answers
146 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
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1answer
85 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
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0answers
353 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 ...
27
votes
10answers
61k 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
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1answer
493 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" ...
0
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0answers
16 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 ...
127
votes
6answers
97k 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
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1answer
44 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
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0answers
99 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
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0answers
162 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 ...
131
votes
37answers
372k 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
219 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
133 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 ...
2
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2answers
234 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
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1answer
133 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
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1answer
90 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
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1answer
199 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 ...
1
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0answers
57 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
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2answers
963 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
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0answers
126 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 ...