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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0
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0answers
70 views

Rotate External Display with NVIDIA drivers

I am running Ubuntu 16.04 64-bit and have an NVIDIA GeForce 940M graphics card (proprietary NVIDIA drivers are installed for this). I have an external monitor that I want to rotate Counter-Clockwise (...
1
vote
2answers
778 views

Alienware 13 touchpad not working under any distro [DLL068B:00 06CB:76E9] [hid-rmi]

Well, as the title explains that's my problem, I'm using 3.18 kernel, and this are my thoughts: First of all the touchpad wasn't showing up in xinput while I was expecting something like: ⎜ ↳ PS/2 ...
1
vote
2answers
4k views

Cannot install xserver-xorg-video-dummy on Ubuntu14.04

I don't like to post questions but I've spent hours searching and am in dire need of help! I'm trying to run Ubuntu 14.04 headless and remotely login via VNC from Windows. I've read many posts that ...
0
votes
1answer
38 views

Another X-Server failsafe question

Updated from Ubuntu 14.04 to Ubuntu 16.04. Seems to have gone fine. On reboot I get the Ubuntu animation with the dots, then I get a low video mode dialog. I cannot get out of it, it has an infinite ...
188
votes
40answers
553k 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 ...
0
votes
0answers
123 views

Intel Graphics: stock driver vs modesetting driver vs Intel download

I've just removed xserver-xorg-video-intel due to a bug. This means I've fallen back to the modesetting driver, which Debian now recommends. Can any provide a comparison of the relative merits of the ...
4
votes
3answers
2k views

Unity crashes after parallels tools installation (Ubuntu 16.04)

I've downloaded and installed Ubuntu 16.04 throught Parallels 11 on my MacBook Pro. The installation went fine and after reboot I could login and use the graphical interface without problems. Anyway,...
-1
votes
1answer
73 views

old xorg in 16.04

I am using 14.04 LTS on a old macbook pro 15" (2,2, Year 2007) with the utopic release of xorg because using newer releases (like wily) breaks suspend/resume. If I will upgrade to 16.04, will I be ...
2
votes
2answers
990 views

Nvidia GeForce 8600 GT HDMI no audio?

I can't get audio working using a HDMI cable with my Nvidia GeForce 8600 GT card.
0
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0answers
16 views

`xset m` value keeps reverting during PC use

I'm using xset m 0 0 To disable mouse acceleration. I also have it in a startup script as such: ~/bin/mouseaccdisable #!/bin/bash xset m 0 0 (I also have that command in /etc/X11/xinit/xinitrc....
0
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0answers
223 views

No graphical user interface after update on 16.04

After an update from Ubuntu GNOME 15.10 to 16.04 my gui completly crashes after GRUB. If I try a normal boot, the gui freezes there, where the LVM needs the password to decrypt the systemdrive. I can ...
0
votes
1answer
62 views

Unable to log into desktop environment after nvidia driver install

I was trying to use the latest version of Blender and found out that the newest NVIDIA drivers need to be installed so I can use the GPU in my gaming laptop (originally loaded with Windows 10). SO I ...
0
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0answers
39 views

No G-SYNC option in NVIDIA-SETTINGS?

I have no G-SYNC options available in the nvidia-settings. I have got a g-sync ready laptop with a NVIDIA GTX970M and am currently running 16.04LTS. Any help would be greatly appreciated! EDIT: I ...
0
votes
2answers
510 views

gpu-manager overwrites xorg.conf

I have recently installed the NVIDIA drivers on my Xubuntu 15.10 machine but I had to remove them due to improper multi-monitor setup. Everything went fine, except for the fact that gpu-manager seems ...
0
votes
0answers
24 views

The graphics freezes when a notification appears together with fullscreen video in Chrome. What's going wrong?

When I'm playing a YouTube video fullscreen in Chrome and something like a Skype notification or a system notification pops up, the graphics freezes. It's apparent from sound that the video keeps ...
8
votes
1answer
6k views

How to get Xorg to ignore certain input devices?

What needs to be done so that when a specific input device is plugged in via USB it is not automatically used for input by X? I still want the /dev/input/* device nodes automatically created, but don'...
33
votes
5answers
156k views

How to check the information of current installed video drivers?

My CPU usage is high when I do trivial things such as scrolling through a PDF file. So I think my video driver is not properly installed. I want to confirm that by checking the information of my ...
1
vote
1answer
2k views

Ubuntu 16.04: nvidia drivers for GeForce GTX 960M

Some time ago I asked a similar question about Ubuntu 14.04. Now I just installed Ubuntu 16.04, hoping that with the new version the graphic card was recognized effortless. Sadly I still have a ...
0
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0answers
19 views

getting Precision 3510 to use Achieva QH270 — bad EDID

I have tried everything I could find, but nothing seems to quite work... But I'm just screwing around in the dark here. So, I'm plugging this monitor in to the DVI-D (believed to be) dual link port ...
15
votes
8answers
7k views

Mouse flickering on one of my two screens

I just installed ubuntu 14.04 and the mouse is now flickering on one of my two screens. The other screen doesn't have any flickering. I was previously using ubunutu 13.10 without any issue. If I ...
3
votes
1answer
3k views

How do you install a GUI on Ubuntu Server in Google Compute Engine (GCE)?

I deployed an Ubuntu Server 14.04 LTS Virtual Machine (VM) in the Google Compute Engine. However, I am unable to make the GUI to start. I followed all the steps found in https://help.ubuntu.com/...
0
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1answer
181 views

Looking for ppa kernel for ubuntu 16.04

http://kernel.ubuntu.com/~kernel-ppa/mainline/ dose not have any ppa kernels for 16.04. I have stability with current kernel/nvidia. I have frequent system freeze (when switching between VT). The ...
1
vote
0answers
22 views

How does one enter Unicode characters into systems with Mir?

In X.org/X11, I could use the keyboard shortcut "Ctrl+Shift+U" in any text field and then type a Unicode character code to insert special characters. However, this does not work in Mir. What is the ...
0
votes
1answer
12 views

Changed video card, x11 not loading

I've changed video card and my Ubuntu 14.04 stopped loading. After some googling, I've localized the problem - X11. I believe, I have to at least delete the information about old video card or somehow ...
1
vote
0answers
65 views

Using Intel Intregrated Graphics alongside Nvidia GT 630

I just recently installed Ubuntu 16.04. I've been using it just fine, the only issue is with the displays. What I am trying to do is run three displays on two separate video outputs, one the Intel ...
0
votes
0answers
19 views

X11 low graphics mode error, with and without nvidia drivers

I recently installed 16.04, and have been messing around with steam games; naturally I installed the latest nvidia drivers, which worked great for two days, and since this morning I have been ...
1
vote
2answers
330 views

I can't access to the login screen in Lubuntu 16.04 LTS (2)

Sorry for repeat the same thread but nobody answer me and I need a fix as soon as posible because I can't stay updating PCs going first to 15.10 and later to the LTS. Please help me! Thanks in advance!...
0
votes
0answers
77 views

Ubuntu startup stuck at blank screen /dev/sda7: clean

I changed my driver from using the nvidia proprietary one to the Xorg open source driver, now after a reboot I get a screen with: /dev/sda7: clean, 353985/7214832 files, 6420282/28775168 blocks And ...
0
votes
0answers
18 views

Can a non root user split monitor using Fake Xinerama or FakeXRandR?

As a non root user on a linux box (kubuntu, local, no remote connections) - can I split a single monitor into several areas (2x2 grid would be fine) and run maximized/fullscreened apps in those areas?
1
vote
0answers
26 views

Can't get back onto ubuntu on chromebook

So for the past weeks I've tried to get steam on my chromebook and I finally got it on, but I had to get off my PC soon as I got it and when I tried to get back on Ubuntu to check if Steam worked I ...
0
votes
0answers
21 views

Setting up a window manager development environment and a basic guide

I am using Ubuntu and I am not able to understand from where can I get the Xcb libraries. While I was checking some guide (whose name I forgot) I got the command : cc file_name.c -lxcb It was written ...
1
vote
0answers
33 views

How to set up X11 forwarding in byobu inside a LXC container

I currently SSH into a LXC container running in a Ubuntu host machine. I have managed to set up X11 forwarding from the container to my local machine but when I start byobu (inside the container) the ...
0
votes
0answers
41 views

Driver conflict nvidia/Xorg

sorry for my english and my newbie in ubuntu i'm running on gnome-ubuntu 16.04LTS, i have Nvidia 9500gt with proprietary drivers installed , the problem when i plug out the gpu it won't boot into a ...
7
votes
1answer
3k views

What's the difference between .Xresources and .Xdefaults?

How are these two files connected to xrdb? Should I have both, or just one in my home directory? Do lines like these go in either file? XTerm*background: white URxvt.font: xft:Monospace
0
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0answers
83 views

After upgrading to 15.10 I get a black screen

This looks like some other questions I've seen here, and perhaps it is, but I doubt it. So here is the hardware: Dell Inspiron 3847, i5-4460, 12GB RAM, Dell UltraSharp U2412M (1920x1200) I'm using ...
8
votes
2answers
9k 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., ...
0
votes
1answer
233 views

Nvidia drivers won't work in 16.04, /dev/fb0: Permission denied

Before 16.04 I had been using bumblebee but after upgrading ubuntu, nvidia drivers have broken again so I decided to use nvidia-prime instead. However it doesn't want to work, too. I get a black ...
1
vote
1answer
49 views

How can I run two screens from two seperate GPUs?

I have two nVidia GTS 450 GPUs, each with a DVI, an HDMI and a VGA port. I want two screens, both running off the DVI ports. I've setup my xorg.conf file in /etc/X11/xorg.conf but it is not working. ...
5
votes
1answer
82 views

how to force DPI settings in Xenial?

Is it possible at all to force a specific DPI settings in Ubuntu Xenial? Recipes mentioned in Can I pass a dpi flag to lightdm to set the proper DPI for X? don't work anymore: I can successfully ...
0
votes
1answer
306 views

Kubuntu 16.04 failed upgrade (problem with xserver-xorg-video-all?) [duplicate]

I'm trying to upgrade my Kubuntu Wily 15.10 computer but it fails. I'm doing this: $ sudo do-release-upgrade -m desktop This is what I get: Calculating the changes Could not calculate the ...
4
votes
1answer
6k views

Ubuntu 14.04, how to set middle mouse emulation? (no taps, real buttons)

I looked for the topic, but I only find information on how to have middle click emulation (wheel click) using taps with N fingers. I want to have the emulation with the real buttons under the ...
1
vote
1answer
238 views

I can't access to the login screen in Lubuntu 16.04 LTS

I have a Toshiba NB300 with 1 GB RAM with Intel® Atom™ processor N450 and I recently installed Lubuntu 16.04 LTS i386 and I have this message on the screen instead of the login box "/dev/sda6: clean, ...
0
votes
1answer
16 views

Scroll Lock Does Not Work

For some reason, Scroll Lock is not enabled by default. I submit this bug as an enhancement, since as of this moment, I have no idea why Scroll Lock is not already enabled by default. That is the ...
0
votes
0answers
10 views

How one can create an installer for custom keyboard layout

I've managed to create a custom keyboard layout for my language. Now that the keyboard is in a state that I can share it. I don't know how to make it a redistributable package.
2
votes
2answers
860 views

After recent upgrade, nvidia card cannot be detected

After recent upgrade from 346.59 to 346.72, my nvidia card can no longer be detected. Any one got suggestions on how to further troubleshoot on this one? My last good reboot was around 5/22. After ...
0
votes
0answers
236 views

Graphic Issues After Ubuntu 16.04 Upgrade

I upgraded my Ubuntu 15.10 to 16.04 last night & now have graphical issues. I have gone through as many of the 'ask Ubuntu' questions on this topic as I could find and tried those solutions, ...
0
votes
0answers
362 views

Ubuntu 16.04 Xorg / lightdm crashes on boot with GTX 970

When I boot my Ubuntu 16.04 liveUSB on my desktop (GTX 970, i5 4440) I get to LightDM and then everything falls apart. My mouse freezes and my main monitor (connected to the GTX 970) starts blinking ...
4
votes
1answer
518 views

Ubuntu 15.04 unsolvable graphic tearing

My Nvidia Geforce GTX 850m issues are: Tearing on everything( window moving, video in Smplayer, video online in Firefox and Chromium, Scrolling in both Firefox and Chromium) no vsync settings on the ...
5
votes
1answer
130 views

How to open a file in the same display I am working it?

I have connected a LCD to my laptop. When I try to open a file in Nautilus, the target application opens in my laptop display, rather than the second display (in which nautilus window is open). I don'...
0
votes
1answer
75 views

error when setting correct resolution after install Nvidia 340 drivers

I have ubuntu 14.04 and installed the recommended driver for Nvidia but resolution still 1360x768 which I need to change to 1920x1080 here is driver I installed Xrandr values below mohamed@...