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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109
votes
36answers
281k 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 ...
102
votes
6answers
71k views

How do I remap certain keys?

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?
49
votes
6answers
166k 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 ...
46
votes
12answers
55k 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
48k 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 ...
14
votes
8answers
16k 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
4k 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 ...
29
votes
7answers
84k 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 ...
21
votes
10answers
52k views

Radeon HD 2000, 3000, 4000 on 12.10 Quantal: fglrx (legacy) 12.6 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 ...
5
votes
1answer
11k 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 ...
3
votes
2answers
32k 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 ...
2
votes
1answer
3k 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. ...
8
votes
7answers
10k 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 && ...
13
votes
5answers
168k 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 ...
15
votes
6answers
19k 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 ...
18
votes
4answers
10k 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 ...
39
votes
15answers
20k 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 ...
31
votes
10answers
38k 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?
7
votes
1answer
33k 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 ...
10
votes
2answers
21k 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
26k 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 ...
8
votes
4answers
3k 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 ...
3
votes
3answers
43k 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, ...
2
votes
3answers
19k 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
6answers
9k 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 ...
45
votes
1answer
31k 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? ...
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
4k 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 ...
3
votes
1answer
13k 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 ...
9
votes
3answers
16k 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 ...
5
votes
1answer
868 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 ...
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 ...
10
votes
4answers
23k 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 ...
4
votes
4answers
12k views

Configure mouse speed (not pointer acceleration!)

Is there way to increase the mouse speed in KDE4? I don't want any pointer acceleration, it's just the mouse speed that I want to change. Edit: Unfortunately, editing the xorg.conf is not an option ...
3
votes
1answer
195 views

After installing NVIDIA driver, X isn't showing

I recently installed the NVIDIA 319 driver from the Jockey window, and now X won't load! I'm stuck with a blinking cursor. I used to have the 304 drivers installed. How do I fix this?
10
votes
2answers
7k views

How do I prevent .xsession-errors from eating disk space?

Is there any way to completely disable the .xsession-errors file? I have it as a symlink to /tmp so that my laptop hard disk can (hopefully) go to sleep for once, but at least 95% of the stuff in the ...
8
votes
4answers
10k 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 ...
4
votes
6answers
14k views

Cannot login via Unity login screen after upgrade to 12.04

Logging in via the shell accessed through Ctrl+Alt-F1 and logging in as guest via the graphical user interface work 0O When I try to log into my standard user account via the graphical interface, the ...
10
votes
0answers
19k views

How do I fix “Ubuntu is running in low-graphics mode?” [duplicate]

Possible Duplicate: How to fix “The system is running in low-graphics mode” error? First off, I'm running Ubuntu 10.04 on a 30gb partition, the rest of my hdd is for a vista partition. The ...
6
votes
1answer
2k views

Where do I set the Caps Lock key behaviour?

I have notice that since a few days my cap lock stays on if I press on caps lock. I can't desactivate it. I am currently using Ubuntu 12.04LTS on my old Emachines computer. So I would like to know ...
2
votes
2answers
867 views

NVidia not working after most recent update

I updated today (06 Jan 2014), and X11 failed to boot. I tried running startx from a terminal login, and noted that it said that there were no screens found. I trued running nvidia-xconfig, and this ...
1
vote
1answer
9k views

Ivy Bridge graphics not working (core i5 HD 2500)

I've done a fresh install of Ubuntu 12.04 64bit and I'm having major problems getting the display working. Specs: Asus P8Z77-I DELUXE (latest BIOS, uses Z77 chipset) Intel Core i5-3470 (onboard HD ...
0
votes
2answers
3k 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 ...
88
votes
7answers
18k views

Why is Wayland better?

As recently announced by Mark Shuttleworth, Ubuntu will be moving towards using Wayland as its display manager. What are biggest differences between X11 and Wayland? Why will Wayland make Ubuntu ...
24
votes
6answers
13k views

How do I remap the caps lock key?

In the past the past I used to use xmodmap to prevent the Caps Lock button from working, and then tell Launchy to handle the key press instead. I can't seem to do this anymore. What is the best way ...
15
votes
3answers
6k views

Why do I have so many .Xauthority.* files in my home directory?

I'm using Ubuntu 13.04 on a Lenovo X220. Why do I have so many .Xauthority.* files in my home directory? I.e .Xauthority .Xauthority.0JW6UW .Xauthority.2HWRVW .Xauthority.2TA6VW .Xauthority.49F8VW ...
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.