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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124
votes
37answers
342k 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 ...
124
votes
6answers
87k 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?
25
votes
10answers
58k 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 ...
54
votes
6answers
188k views

Where is the X.org config file? How do I configure X there?

As Ubuntu 10.10 seems to neither detect my graphics card (Intel 82852/855GM) automatically nor use the corresponding Intel driver even after manually installing it, I am looking into manually ...
54
votes
12answers
78k views

How do I disable X at boot time so that the system boots in text mode?

Is it possible to disable X at boot time? I'm setting up a server so it would be nice if it wouldn't load the graphical interface every time I boot.
19
votes
0answers
7k views

How well will Nvidia Optimus cards be supported in 12.04? [duplicate]

Possible Duplicate: How well do laptops with Nvidia Optimus work? Will Nvidia Optimus be supported in 12.04?It will be improvements in nvidia optimus drivers? Will no longer need bumblebee ...
28
votes
5answers
50k views

Nvidia driver doesn't work in 12.10

I have GeForce GTX 560 Ti. I's worked fine in 12.04 with nvidia drivers. Unfortunately, after todays 12.10 update, something broke down. I've tried nvidia-current, nvidia-current-updates and ...
29
votes
7answers
87k views

NVIDIA drivers not working after upgrade. Why can I only see terminal?

Tonight I upgraded to 11.04. Problems. Once I had finished the upgrade, I restarted my computer as it told me too. When I got past the ubuntu 11.04 (purple background orange dots), it simply went to ...
15
votes
8answers
19k views

How to change mouse cursor and theme?

How can I change X11 cursor and theme in the newest Ubuntu? I can't find it. Please help.
2
votes
2answers
5k views

Can't use nvidia card/driver on optimus notebook

I installed (once again) the latest official nvidia driver for my GT540m on Ubuntu 11.10. Even though everything seems OK with my xorg.conf file (I've manually added BusID "PCI:1:0:0", since lspci ...
25
votes
5answers
29k views

Increasing scroll speed

I've recently switched to Ubuntu, and the one thing that has been bothering me is the scroll speed, which I can't seem to change. In windows I used to have it set around 7 lines, but it seem to be ...
3
votes
1answer
5k views

Experiencing major issues on graphic displays

Since installing Ubuntu 12.04, I am experiencing low performance on graphic programs, including video playbacks, etc. As I have checked the intel driver of mine is already at its latest version. ...
6
votes
2answers
12k views

How to upgrade intel graphics package?

I have a Intel i7 laptop that does not show any resolution higher than 1280 x 1024. A little bit of research pointed me to a bug and subsequently to a fix. I have 11.10 currently installed. I want to ...
40
votes
12answers
49k views

How to determine which window manager is running

Is there any way (such as a command or environmental variable) to determine what window manager is the one actively running in the current session?
17
votes
5answers
192k views

How does one exit the X server?

The command sudo service gdm stop would successfully disable the X server in Ubuntu 11.04 temporarily. However, this same command no longer works in Ubuntu 11.10, because "gdm" is an "unrecognized ...
10
votes
7answers
16k views

After apt-get upgrade system always boot to low-graphics mode

Some time ago I have installed xorg edgers nvidia 331 drivers for my Nvidia 420M with Ubuntu 13.10. Today I have run like always sudo apt-get update && sudo apt-get upgrade -y && ...
4
votes
2answers
34k views

Ubuntu 13.04 - installation Nvidia driver

I've installed Ubuntu 13.04 on my laptop HP 6720s with video card Intel 965 chipset Intel gma x3100. After the boot the classic purple screen appear and before the login page the screen become black ...
6
votes
3answers
63k views

How to install X11/xorg?

My 12.04 x64 system won't boot into GUI, but I can still use virtual console with my own account, so apparently it's the Windows Management System that's causing it, how can I reinstall it from tty, ...
16
votes
6answers
21k views

50-synaptics.conf options not working

How does Ubuntu come up with the default synaptics settings? I've got Ubuntu Netbook 10.10 installed on an Eeepc 900. Out of the box TapButton2 was set to 3, and TapButton3 was set to 2. I have ...
44
votes
16answers
24k views

How do I disable middle mouse button click paste?

Is there a way to disable the middle mouse button paste behavior that is here by default on gnome? I have a sensitive mouse wheel and whenever I scroll texts, sometimes it pastes stuff randomly into ...
46
votes
1answer
34k views

What's the difference between the nvidia-current, and nvidia-current-updates packages?

What's the difference between the nvidia-current, and nvidia-current-updates packages? The former has a higher version number, and the description of the packages are the same. Which do I use? ...
18
votes
4answers
11k 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 ...
8
votes
4answers
4k views

Cannot get past login screen

I have lubuntu 12.04, and it was working fine until I installed something and I do not remember exactly what I installed because I was trying to build a ruby gem and it required a lot. now I rebooted ...
0
votes
2answers
4k views

Where do I get a SIS mirage 672 vga driver?

I need to obtain a display adapter for SiS mirage +3 gpu (closed source), so I can run a stable system on Ubuntu. I need to find a driver for this adapter that is open source and gives completely ...
7
votes
1answer
37k views

Xorg server configuration fail - no screens detected

I have a serious problem with Xorg server on ubuntu 12.04 (with nvidia 420M GT card). At home I am using an external monitor connected to my laptop's HDMI port - the external display is used as ...
11
votes
2answers
22k views

“You do not appear to be using the nvidia x server”(screenshot included)

I am running ubuntu 11.04 at my asus laptop. Laptop specs: CPU: i5-2410M @ 2,3GHz RAM: 4GB GPU: nvidia gforce GT 520M / (also the cpu has a bult-in graphics processor) I am getting this error when ...
10
votes
3answers
27k views

How to install Intel 82852/855GM driver?

When I installed Arch Linux, it detected my video card and monitors correctly "out-of-the box". Now I've installed Ubuntu 10.10 "Maverick Meerkat" and it has not. How do I configure Ubuntu to use ...
10
votes
6answers
10k views

Why isn't my monitor's native resolution appearing as an option? [closed]

I'm on a clean install of Ubuntu 10.04 LTS. My monitor's native resolution is 1280x1024. However, in the Monitor Preferences application, I am only presented with 640x480 and 800x600 as options. My ...
3
votes
1answer
3k views

Setting GPU fan speed using free ATI driver? [duplicate]

Is it possible to set the GPU fan speed using the default free ati driver? My card (X1900) was deprecated in the fglrx drivers a while back. The free drivers seem to work with 3D, Compiz and such, ...
15
votes
3answers
4k views

Font corruption: lines through characters

I have a problem where a one-pixel high white line is displayed through certain letters of text. Almost always only a single character type is affected at once, and only in one font size (though that ...
9
votes
2answers
20k views

How do I set the correct monitor resolution with Nvidia drivers for a monitor that does not send EDID?

I keep having trouble getting the correct monitor resolution - every time I reinstall, I happen to use a newer Ubuntu release and the old tricks I used to know no longer work. Instead of leaving a ...
3
votes
3answers
23k views

Black Screen on Login

I have serached around, but no fix could help me. Here's what happened: A few days ago, for no reason, I couldn't see the login screen on my Ubuntu 12.04. nor do anything but reboot using ...
10
votes
0answers
33k views

Ubuntu 13.10 - Black screen after login session [duplicate]

Yesterday, the system asked me if I wanted to upgrade to 13.10 from 13.04. Since that was the first time for me, I decided to proceed and ran the installation without worrying about it. After the ...
0
votes
2answers
5k views

Which nvidia driver from additional drivers option should I choose?

I have NVIDIA Geforece 7025 / nForce 630a integrated gfx card on my UBUNTU 12.04.And I have 4 options in Additional drivers: NVIDIA accelerated graphics driver (version 173) NVIDIA accelerated ...
27
votes
7answers
26k views

How can I change the mouse's wheel scroll rate?

I'm using Chrome, and the scroll rate is like 3 lines, and it's painfully slow. My finger gets tired really quickly on long pages. System → Preferences → Mouse lacks any scroll wheel configuration ...
3
votes
1answer
15k views

Nvidia driver updated - mixed versions of 304.88 and 319.32

My problem is that after trying to update my driver through the additional drivers GUI I can't boot Ubuntu with GUI anymore, since Xorg says the kernel module is of version 304.88 (The old version ...
11
votes
2answers
1k views

Will Mir display server be able to launch X11 applications?

I've checked the wiki but Xorg is not even mentioned there.
10
votes
1answer
1k 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 ...
5
votes
1answer
3k views

Nvidia proprietary driver hangs/freezes/blank screen at login in 13.10 [closed]

I am running a fresh copy of Ubuntu 13.10 with a Nvidia GTS 450. With the open source nouveau driver, everything works fine albeit not as fast as the proprietary driver. When I install the proprietary ...
8
votes
2answers
5k views

Triple-head on a Lenovo T520

Lenovo T520 with integrated Intel HD graphics + a NVidia card (Optimus) Ubuntu 11.10 on the computer. I would like to use the built-in screen plus two external screens. This PDF indicates that it is ...
5
votes
1answer
2k views

How to chroot Ubuntu+1?

What is the recommended way to use chroot from Ubuntu Stable (in my case 11.04) with Ubuntu+1 (11.10)? Linked (but probably separate) is "Is there anything special that I need to do in order to get ...
65
votes
15answers
144k views

Higher screen resolution for VirtualBox?

I have been trying this for a while but no luck. I installed ubuntu-11.10-desktop-i386 twice. Also installed guest additions. However I always get maximum screen resolution as, 1024 x 768. Do I need ...
11
votes
4answers
75k views

How to reset the Xorg / xserver?

Xserver keeps crashing on my general user account both in Unity 3D and 2D. It doesn't do it on the guest account. That's why I want to reset / rollback everything xserver related, hoping this is ...
5
votes
2answers
4k views

How to make xinput settings persist after devices are unplugged, replugged, and after shutdown, restart, etc?

I successfully followed the answer to this question to set different sensitivities for my touchpad and my USB mouse. Only problem is, once you unplug and replug the device or shutdown, restart etc., ...
8
votes
4answers
18k views

How to install NVIDIA driver in Ubuntu

I'm running Ubuntu 13.04 on DELL XPS L501 - Nvidia GeForce GT 420M. I'm using kernel 3.9.0-030900-generic. All kernel-headers are installed in the system. and I've tried the following. Use ...
14
votes
1answer
2k views

Drawing over the desktop

I am wondering if there is anything similar to ink over apps for linux. i.e. , a program that allows me to draw over any other program given Xs architecture, it should be possible, but I looked for it ...
11
votes
4answers
12k views

How do you change brightness, color and sharpness from command line?

I am controlling my PC with SSH and scripting. How can i change the brightness, color and sharpness from command line? Try 1: failed $ sudo redshift -t 5000:5000 -g .5 Cannot list GNOME panel ...
9
votes
3answers
4k views

How to get Lilliput USB monitor working?

Okay, I just got a Lilliput 7" USB Monitor: Unfortunately, I am having some trouble getting it to work in Ubuntu. It is a DisplayLink device, so it should work in Ubuntu. Here is the output of ...
9
votes
4answers
24k views

How do I use a DisplayLink monitor?

I'm trying to connect an external monitor to my laptop via a DisplayLink USB adapter. When I plug in the USB cable, the screen turns bright green. This apparently indicates that the udflib displaylink ...
8
votes
1answer
15k views

How do I create the .Xauthority file?

I don't have a .Xauthority file in my home folder. I want to create it, please tell me the steps to do so in ubuntu 10.10. Thank You!