Questions related to graphics, in particular getting graphics cards to work. Please tag your exact graphics card version as well if you know what it is.

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5
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2k views

When watching videos in VLC on Ubuntu 14.10, it flickers

I have Ubuntu 14.10. When watching videos full screen with VLC the video flickers. Only on full screen. And it's not happening on other players (the default player and smplayer). How to fix this? I ...
5
votes
0answers
646 views

Sony Bravia Unsupported Signal After Turning Off Display

Installed 12.04 over a previous hackintosh build a couple days ago and trying to iron out all the kinks. The most frustrating right now is my HDTV output through HDMI to a Sony Bravia KDL-40BX421. ...
4
votes
0answers
1k views

No UMS support - Radeon 3450

I just performed a clean install of 14.04 on my Dell Vostro 420 with Radeon 3450. I get to grub, click to boot with Ubuntu, and then black screen. If I boot in a recovery mode with low graphics mode,...
4
votes
0answers
592 views

Screen tearing with Nvidia Prime

I've installed Nvidia-346 (that also installed Prime) and prime-indicator from the ppa:nilarimogard/webupd8 repository in Ubuntu 15.04. Whenever I switch from Intel to nVidia I get a general screen ...
4
votes
0answers
2k views

Screen tearing in video playback - Ubuntu 14.10 - Unity - Intel Ivy Bridge

I am experiencing severe screen tearing while playing full screen video. Ivy Bridge graphics - Ubuntu 14.10 x64 (Unity). Existing answers such as Screen tearing in 11.10 with intel graphics do not ...
4
votes
0answers
3k views

Could not open X display, XDG_Runtime_DIR Error:

Output from terminal from where i tried to run nautilus and read an external drive. Also, i got a terminal window before logging in that system is running under log graphics mode, i will have to login ...
4
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0answers
1k views

monitor hdmi not working

I can not use the external monitor hdmi. I just installed ubuntu 12.04 and my configuration is as follows: $> lspci | grep VGA 00:02.0 VGA compatible controller: Intel Corporation 3rd Gen Core ...
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0answers
53 views

16.04 with Radeon R7 370 graphics card has slow and stuttering graphics

I recently installed 16.04 64 bit. every window I open or interact with stutters and goes through its animation extremely slowly. Opening the Unity search takes about five seconds, going through ...
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0answers
42 views

How to fix missing characters from font after awakening from suspend?

I find that often after awakening from suspend on Ubuntu GNOME 16.04 with GNOME 3.20 (I have only found this issue on the latest version, though I have not tried with GNOME 3.18 on 16.04) that I get ...
3
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0answers
106 views

Intel HD 4600 Graphics Glitched in 16.04

I've been running into a very frustrating issue trying to move to 16.04, the graphics output is completely glitched to the point the system is basically unusable. This starts during the initial ...
3
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0answers
31 views

Visual glitches when rotating display - ATI Radeon

When rotating my display with xrandr --output DVI-0 --rotate left (or right or inverted), i get this weird, sort-of screen tearing effect that doesn't show up in screenshots. (Image shows output of ...
3
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0answers
628 views

Install Open Source AMDGPU driver on 16.04

How could I switch from using the "radeon" open source driver to the "AMDGPU" open source driver? I have man packages for both, tried setting an xorg.conf for Driver "amdgpu" but to my understanding ...
3
votes
0answers
78 views

chopped up video/display picture

I have a laptop with a dedicated nvidia GTX 960M and an intel chip. I am currently using the 352.79 driver as recommended. But I am experience some unpleasant graphic glitches: Those glitches do ...
3
votes
0answers
88 views

Ubuntu 15.10 Graphics Glitching

I had Ubuntu 15.10 running on an old Dell SFF tower (I think a optiplex 755). It uses integrated intel graphics. Both with a monitor attached and thru screen sharing into the computer I see the ...
3
votes
0answers
503 views

15.10 Problems :VLC strange screen blinking when going in fullscreen

Yesterday I moved from Ubuntu 14.04 LTS to 15.10. And now I have problems in VLC. With Nouveau drivers I have image tearing and with Nvidia drivers I have green screen blinking when going in ...
3
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0answers
112 views

How to prevent switch to text mode during boot

I'm trying to get a full graphical boot in ubuntu. That is using burg/grub in graphical mode and launching the kernel directly in graphical mode, without switching to text mode and then back to ...
3
votes
0answers
518 views

High CPU with web streaming videos

Every time I start watching some video within a browser (both Firefox 40.0 and Chrome 44.0.2403.157 64-bit with no extensions) the CPU usage gets 100% (according to htop and system monitor) freezing ...
3
votes
0answers
1k views

What does “!!! Unknown header type 7f” error means?

I bought a new laptop, and I can't enable discrete graphic card. The output of lspci -k | grep -EA2 'VGA|Display' terminal command: 00:01.0 VGA compatible controller: Advanced Micro Devices, Inc. [...
3
votes
0answers
201 views

nvidia-settings not working after reboot

It seems nvidia-settings are getting wiped away (or are never really saving anywhere) upon reboot. There are several other questions like this but none of the solutions have worked for me. I have ...
3
votes
0answers
350 views

Nvidia driver not loading properly for Geforce GTX 570hd

I'm having a problem with using the nvidia driver for my Geforce GTX 570. I've tried re-installing the drivers, installing using the .sh file from nvidia's website, and using every driver available ...
3
votes
0answers
595 views

MacBook Pro 3,1 (late 2007, g84m), Ubuntu 14.04 LTS with Nvidia won't boot

Let me be clear - this is only a problem when using the Nvidia drivers. I can boot the machine with nouveau, however the machine won't sleep properly and I have no 3D acceleration. Any time I install ...
3
votes
0answers
593 views

bumblebeed: No integrated video card found, quitting

I'm trying to get Bumblebee working on Ubuntu 14.10 x64 and NVIDIA OPTIMUS: - Intel HD3000 (don't know which drivers are used: I've installed Intel(R) Graphics Installer for Linux* 1.0.7 while being ...
3
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0answers
152 views

Lubuntu: text on system menus/bars appears blurred when memory usage is high

I have an old system (Core 2 Duo 2.0 GHz, 3 GB RAM), running Lubuntu 14.10. When I run memory intensive applications, the text on title-bars, menu-bars and notification panels appears extremely blurry ...
3
votes
0answers
1k views

How do I install the latest Mesa release?

Which is the preferred way to install the latest stable version of Mesa on Ubuntu? I believe that would be a PPA, but not the bleeding-edge one like xorg-edgers. I would like to see a PPA that ...
3
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0answers
287 views

Using Nvidia GeForce 8600 GT and Intel HD 4000 at same time

I have been running Ubuntu in a VM at work for a while now to do my programming in and finally got sick of windows and decided to go full Ubuntu. I can't seem to get my 3 monitors to work. When I ...
3
votes
0answers
594 views

Xorg can't find screens

I recently installed Ubuntu 12.10 on my laptop. It installed successfully, but whenever I boot into it, after the GRUB screen I get a text TTY. I can log in with that and enter command-line commands. ...
3
votes
0answers
523 views

Ubuntu Nvidia Driver 310.14Beta Stretch OpenGL Feature

I have a HP Mini 311 running an outdated version of the Nvidia drivers (The recomended from the additional drivers option), alongside my Ubuntu 12.04. Now the problem I am running into is the feature ...
2
votes
0answers
14 views

How can I rotate my notebook screen 90 degrees although 'xrandr --rotate' does not support it?

I've got an Acer Aspire E5-773G notebook with those graphics-related specs: Card-1: Intel Sky Lake Integrated Graphics Card-2: NVIDIA GM108M [GeForce 940M] Display Server: X.Org 1.18.3 driver: nvidia ...
2
votes
0answers
28 views

Why is there a five second pause at the beginning of every video?

Recently, I've started to experience 5-6 seconds delay when starting to watch any video (On Youtube, VLC, Movies Application, etc...) Also, if I pause a video and wait 5-6 seconds and then hit play, ...
2
votes
0answers
132 views

Diagonal Tearing (Kubuntu 16.04)

The question has been asked before here, but with no response: Diagonal Screen Tearing Ubuntu 14.04 64-bit Intel Skylake Integrated Graphics (I'm asking again because I can't comment on it.) The ...
2
votes
0answers
104 views

Another and probably not last question about Radeon and Intel graphics

So I decided to try to do sth with my graphics on Ubuntu MATE 16.04 but unfortunately it is so confusing what to do and what to use that i have just lost inside all these forum threads. Below is my ...
2
votes
0answers
175 views

graphics hardware acceleration 16.04 radeon

I upgraded my Acer Aspire E 15 to Ubuntu 16.04. Now videos are running very slowly if at all. The laptop contains AMD Radeon R7 and the radeon driver is used. But if I run vdpauinfo the following is ...
2
votes
0answers
117 views

Fresh 16.04 install. Black screen on reboot but fine if started from scratch

I have just done a fresh install on an HP Pavillion G6 Notebook. This has an AMD A8-4500M APU with Radeon(tm) HD Graphics × 4 and Graphics Gallium 0.4 on AMD ARUBA (DRM 2.43.0, LLVM 3.8.0). It works ...
2
votes
0answers
104 views

Can I disable the discreet GPU in a hybrid Intel/ATI graphics?

Using 16.04 LTS at 4.5.2 kernel stable. Can I use vgaswitcheroo or something to disable the AMDGPU and the card? It's eating up my battery. In 14.04 LTS I could use the ATI Catalyst to switch between ...
2
votes
0answers
2k views

Ubuntu 16.04 - VSync not enabled, screen tearing

I'm using: GTX950M Integrated Intel Chipset Graphics from i7-6700 Ubuntu 16.04 glxgear detects around 16000 fps. These are my nvidia drivers: aptitude search nvidia | grep ^i i nvidia-361 ...
2
votes
0answers
332 views

Enable discreet graphics card (AMD, Intel) 16.04 LTS

I have a hybrid-graphics system with power-saving onboard Intel graphics, and an ATI accelerator (Lenovo z51-70, i5, 8 GB RAM, SSD) Back in 14.04, with fglrx, I used to have ATI Catalyst, which would ...
2
votes
0answers
34 views

How do I disable GDM?

The new Ubuntu features a completely unkillable GDM. Is there a way to disable it? It is not enabled in services , the GDM startup script is deleted, it is removed from update.rc but it still starts ...
2
votes
0answers
187 views

How to install AMD Radeon HD 6290 proprietary drivers in Ubuntu 15.10

I have been at this for days now. I have followed every guide that I can find. Purging and re-purging to get a clean start to try to reinstall once more but ultimately nothing has worked. I have tried ...
2
votes
0answers
201 views

Diagonal Screen Tearing Ubuntu 14.04 64-bit Intel Skylake Integrated Graphics

For quite a some time now I'm having a bit of trouble with diagonal screen tearing. So, from the top of the right side of the screen, it goes diagonally to the bottom left side of the screen. Now, the ...
2
votes
0answers
30 views

upgradation from 12.04 LTS to 14.04 LTS in machine with GeForce GTX 750 Ti

My machine is running 12.04 LTS with nvidia graphic card support GeForce GTX 750 Ti. I need to upgrade to 14.04 LTS. However, the upgradation failed due to the error stating that the machine doesn't ...
2
votes
0answers
80 views

Dual monitors using different Nvidia GPUs not working

In my machine, I have two Nvidia graphics cards. I am running Ubuntu 14.0.4.2 x64. My primary card is a GTX650, and my secondary card is an 8600GT. I would like to have dual monitors, with one ...
2
votes
0answers
56 views

nvidia dual screen

I can't use dual screen with my Nvidia card proprietary drivers (I've tried them all!), and if I'm using the open source driver it says I'm switched to an Intel graphics card. When the proprietary ...
2
votes
0answers
463 views

Missing pixels with Intel Integrated Graphics

On the following pictures below this text, there are some missing pixels on the title bar of every application. Here's a example on the Terminal application: And from VLC:
2
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0answers
124 views

Ubuntu 15.04 - enter black screen after installing the upgrade of software ( Nvidia GTX 860M )

Host: 15.04 Kernel version: 3.19.0-41-generic Graphic card: Nvidia GTX 860M Graphic card driver: 352.63 from nvidia-352-updates CPU: Intel(R) Core(TM) i7-4710MQ I used Nouveau display driver ...
2
votes
0answers
437 views

My Nvidia GPU isn't detected

I'm using GTX 460. When I use 'Additional Drivers' it says "No additional drivers available." After running the 'NVIDIA-Linux-x86_64-352.63.run' it gives me the following messages WARNING: You do ...
2
votes
0answers
38 views

Completely unusable software

I'm currently running Xubuntu 14.04 (the same issues were present under Ubuntu 14.04), some of my software is just impossible to navigate and use due to display issues. Software like Spotify, ...
2
votes
0answers
163 views

Weird graphical glitch Xubuntu 14.04

My friend's machine goes on the fritz occasionally. I was able to capture it over remote desktop viewing. Here's an imgur album. He is runnign Xubuntu 14.04, and using two screens of identical make ...
2
votes
0answers
185 views

15.10 update killed my graphics drivers. Now it's either stuck in a black screen or not detecting my monitor correctly

I updated from 15.04 to 15.10, and then got a blank screen when booting up (the blank screen came after grub). After figuring out how to get to a console, I uninstalled and reinstalled different ...
2
votes
0answers
57 views

How to use graphics card only for deep learning and not display?

I have a 2 GB graphics card which I am using for training deep learning models on large data. But it's hampering my display (showing weird color pixels on the screen) while running the program. Is it ...
2
votes
0answers
225 views

14.04 Multi-GPU Multi-Monitor NVIDIA, tried every guide please help

Asus Z10PE-D8 WS 2x Intel Xeon E5-2697 V3 128GB DDR4 ECC 3x EVGA GTX 980 (SLI) Ubuntu 14.04 3.19.0-28-generic system drive is encrypted I've followed every guide I can find online. First I ...