graphics is used for questions that are related to graphics mode (tty) as well as graphic cards and their drivers. Please note that there are a few specific tags (like intel-graphics, amd-graphics available that should be used instead when applicable). X11 related issues have their own tag: x11, as ...

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0answers
38 views

Random Black Screen Crash Ubuntu 12.04

I recently backed my pc up and did a fresh install from the same 12.04 cd I always use and since have experienced frequent and what appear to be random crashes. It seems like some kind of driver issue ...
1
vote
0answers
40 views

Enable/disable display using libdrm

I am new using DRM (Direct Rendering Manager). I want to know if it's possible to turn on/turn off the display using some function of DRM. I am looking for a way to achieve this but I didn't find ...
1
vote
1answer
77 views

Configure 3 screens/dual graphic/rotated screens Ubuntu 15.10

I have a PC with 2x AMD Radeon R5 230 graphics cards, one with 2x 1920x1080 screens plugged (HTMI and DVI) and another with 1x 1920x1080 screen (HDMI). I have the two screens in the first graphics ...
0
votes
0answers
363 views

CentOS 7 blurry, fuzzy screen

I just installed CentOS 7 to Dell Optiplex 780 and I have problem with display. I am using two screens and they are quite blurry, fuzzy. You can see the problem (look at the terminal) - http://imgur....
0
votes
1answer
37 views

How to activate v-sync with nvidia linux driver?

Hello I have archlinux with xfce4 installed and I'm wondering how to activate v-sync cause when I move windows around it's tearing up and disgusting. I augmented the refresh rate to 144hz and it ...
0
votes
1answer
139 views

Kali Linux Graphic Interface = Black Screen

Helloe veryone ! I have Kali Linux since a month now, and the "F7" just crashed. When I boot, I can go till the Grub, I boot (I can see around 5 "[FAILED]" instructions in the list), and finally, ...
1
vote
0answers
61 views

Reduce CPU wakeups by cinnamon and i915

In order to reduce my notebook's power consumption I am using PowerTOP 2.5. hardware: Thinkpad W540 os: Linux Mint 17.3 Rosa kernel: 3.16.0-38-generic I noticed that cinnamon and i915 are the ...
11
votes
3answers
579 views

Laptop VGA Output Randomly Changes Name Between VGA1 and VGA2

Periodically (every few reboots by the look of it) my external VGA output on my Laptop changes name between VGA1 and VGA2. For example right now xrandr is displaying: timp@helez:~$ xrandr | grep VGA ...
1
vote
0answers
120 views

Monitor auto-detect Ubuntu

I am currently running Ubuntu 15.04 on my desktop machine with two monitors attached. One monitor is NOT directly connected to my machine but wired through a HDMI-switch (so I can connect my PS4 or ...
0
votes
1answer
168 views

No input for monitors after GRUB - not solved by conventional methods (e.g. nomodeset, xforcevesa)

This is a problem that has persisted in more or less the same state across two different distributions (Debian and Mint), whether as a live boot or after installed to disk. Essentially, GRUB comes up ...
0
votes
0answers
19 views

Resolution Problem

When I ran Lubuntu from USB flash the resolution was fine. But now that I installed it, the resolution is only 800*600 and I need it to be 1024*768. My graphics card is sis 672. How can I get this ...
1
vote
4answers
27k views

Install NVIDIA GTX graphics driver on Linux Mint 17.1

I can't get my NVIDIA graphics card to run on Linux Mint 17.1. All I get is a black screen. I tried installing the driver with $ sudo add-apt-repository ppa:xorg-edgers/ppa $ sudo apt-get update $ ...
1
vote
1answer
795 views

Hardware OpenGL rendering in MATLAB

I am unable to get hardware based OpenGL rendering to work in MATLAB R2015a or R2014b. Prior to R2014b, and the rewrite of the MATLAB graphics stack, everything worked fine. From MATLAB >> ...
56
votes
4answers
20k views

Why is video tearing such a problem in Linux?

I've used many variants of Linux(mostly Debian derivatives) for over a decade now. One problem that I haven't seen solved satisfactorily is the issue of horizontal tearing, or Vsync not being ...
0
votes
0answers
75 views

Issues with Debian 8 and multi screens

I just installed Debian 8 and I plugged in another screen. Sometimes it works correctly, but most of the time the screen of the computer gets black and doesn't display anything. But I can put the ...
2
votes
2answers
68 views

How does bash print to the screen if not with a framebuffer? [duplicate]

I noticed that a framebuffer doesn't always exist on some systems. In these cases, how does bash print to the screen (assuming it ever uses fb devices at all)? Since there's no framebuffer device, ...
0
votes
0answers
19 views

No file is shown after boot. What should I do?

I have Ubuntu 15.04. Yesterday, after boot, nothing is shown, no file, no task bar and I can't do anything but entering the text mode (Ctrl+Alt+F1). On text mode, I can enter root mode and list all ...
2
votes
1answer
199 views

Should I use KVM or Xen ? What are the main differences? [closed]

I've spent a few hours trying to understand the differences between KVM and Xen without much succes. So both are Type 1 Hypervisors with comparable performances (source) and I don't understand what ...
0
votes
1answer
46 views

Is framebuffer/vbe resolution a property of monitor or graphics hardware?

I have an AMD Radeon HD 4650 Graphics hardware, and a LCD monitor with an odd native resolution of 1440x900. I use debian stable on this system. When not using the firmware-linux-nonfree package, ...
3
votes
1answer
54 views

Heavy Load crashes user started processes on Linux mint

I have a old laptop, with a old Pentium dual core at (I think) 2.3 ghz, running Linux mint 17.3 --- Mate When the laptop gets a heavy load such as video decoding it can just freeze for a few seconds ...
3
votes
1answer
737 views

Bumblebee does not switch off discrete graphics card after all programms shut down

after either primusrun <any application> or optirun <any application> and then quitting, the discrete nVidia graphics card is still running. optirun --status prints after everything is ...
0
votes
1answer
274 views

Which is the best Linux Distro for Graphics Programming [closed]

I am about to start developing software for computer graphics primarily involving Virtual Reality software (using WebGL/OpenGL, Unity, etc.). Currently I'm unable to even run WebGL programs in any ...
0
votes
0answers
68 views

Antergos ATI driver issues

I'm trying to use the open source driver on Antergos with KDE on an ATI FirePro v4800 graphics card. I did a standard install, and booted into my desktop when I noticed that there are no window ...
1
vote
0answers
138 views

Is AMD GPU FirePro support enough for Linux's Matlab and CUDA?

I need GPU with CUDA support and open-source community support for FFT computation with Matlab R2015b. I think I need to reject nVidia GPUs because of bad open-source support, here Torvalds about ...
3
votes
2answers
5k views

How to get dual graphic cards working under Linux?

My laptop is Dell Inspiron 5420, with two graphic cards: Intel HD Graphics 4000 Nvidia GeForce GT 630M I took the Thinkpad T400 configuration guide as an example to configure my Linux, but I only ...
0
votes
1answer
48 views

Simple terminal graphics package?

I would like to know if there are any kinds of packages dedicated to ASCII graphics, like drawing lines and plotting points using characters in terminal. I already made a script for plotting points ...
1
vote
1answer
334 views

HD 530 + GTX970 = blackscreen with nvidia optimus

I just bought msi gs40 6qe. This laptop has skylake core i7 6700hq (which means integrated graphic HD 530) and discrete GTX 970. I'm struggling to start xorg on archlinux. I'm trying to run xorg ...
1
vote
0answers
22 views

menu items disappear on hover (xwindows?)

i am not sure whether my problem is with xwindows, the desktop environment or something else completely. i am using linux mint 17.2 rafaela, i installed it a couple of weeks ago and my problem has ...
2
votes
1answer
135 views

Is there a way to detect whether a screen is in on/off/standby mode from within Linux?

The screen in question is HDMI. The power off/on action is initiated by clicking on the on-screen capacitive button. I just need to know if there is a way to get events like "now the screen is on", "...
0
votes
1answer
144 views

What really is bash? (or any linux shell) [duplicate]

I understand bash as a window where I can type commands to linux. Reading the wikipedia, I've learned that there were various shell applications throughout the history. First, I understood bash as ...
0
votes
0answers
237 views

debian not shutting down properly

I have an acer aspire e1-572 with intel core i5-4200u, intel graphics HD 4400, 8 gb ram and a 500gb samsung 840 evo ssd. In this machine there are windows 10 and debian testing + gnome shell 3.18 in ...
0
votes
0answers
97 views

Fglrx-updates refuses to replace Gallium on Mint 17.2

I installed fglrx-updates on a fresh install of Mint 17.2 via this guide for Ubuntu 14.04. When I type in $ fglrxinfo display: :0 screen: 0 OpenGL vendor string: X.Org OpenGL renderer string: ...
3
votes
1answer
1k views

Debian Sid, AMD RS880 [Radeon HD 4250], black screen on boot

My computer booted under Debian Wheezy (3.2 kernel) with no graphics problems whatsoever. After updating to sid (3.10 kernel), the screen goes black (that is, the display flashes a bit and then goes ...
0
votes
1answer
96 views

Is SteamOS frame-rate performance related to X11?

Ars recently tested SteamOS against Windows 10 and determined on average Windows 10 had a higher frame rate. Does this have anything to do with Linux's reliance on an archaic graphics system (X11)?
1
vote
1answer
393 views

After switching to the nvidia video card driver, the whole xfce setup messed up

I recently installed Linux lite. I went to change from the nouveau driver to the Nvidia legacy updates driver, restarted my pc. I remember being prompted to have default Xfce or something else and I ...
1
vote
1answer
182 views

Does amdgpu support my Fury X and why isn't the driver loaded?

Currently my linux machine only can detect one monitor and seems to be running the bare minimum for graphic support. My system seems to recognize that the card is a Fury X but doesn't load any drivers ...
33
votes
5answers
48k views

Creating a GIF animation from PNG files

Is there a tool to create a gif animation from a set of png files? I tried the convert command from the ImageMagick suite, but this doesn't always succeed. Also, I have several issues with this: I ...
0
votes
0answers
37 views

Graphics: how can Youtube videos look fine but movie player videos be completely oversaturated?

I am having trouble watching videos using Movie Player. Youtube videos work fine. It is only when I try to play videos from disk using MoviePlayer that I get unrecognizably oversaturated videos. I ...
0
votes
1answer
139 views

Blurry screen but clear screenshot, RHEL 7

I installed the nVidia drivers for my Quadro 2000 card using the ElRepo repositories. The install went fine and I ran nvidia-xconfig which generated a new xorg.conf file to use. However, my monitor (...
1
vote
0answers
20 views

How to check if an application uses my video card memory?

We can check the core, cpu utiliztion, memory etc of a particular process. Can we check if it uses video card too and if it is how much memory it is using?
2
votes
0answers
29 views

How to use both open source and proprietary video drivers on same machine?

On my main work machine I sometimes need to use the proprietary Nvidia video drivers, but I would prefer to use the open source Nouveau drivers most of the time. As the Nvidia package conflicts with ...
18
votes
4answers
24k views

How to check which GPU is active

I have 2 GPU's in my netbook. How do I know which one I'm actually using at any given moment?
1
vote
0answers
155 views

Can I disable the intergrated gpu in my optimus laptop to use only the Nvidia GPU?

My BIOS does not include an option to disable my intergrated GPU, bumblebee/primusrun provide terrible performance, nouveau doesn't support 900 series GPUs (and has subpar performance too anyways) and ...
7
votes
2answers
4k views

Enabling 1366x768 resolution in Debian Wheezy on Atom D525 Board

For some reason, when I try to update to a modern version of Linux from Debian 6.0.7 or Ubuntu 10.0.4, I lose most of the resolutions that were available, including the native resolution of the panel ...
1
vote
1answer
317 views

Reverting from Nvidia back to Nouveau

I installed Nvidia drivers, but something went wrong, and I ended up with a console. I don't really want to waste my and your time with it right now. So I tried to revert the changes. I uninstalled ...
-2
votes
1answer
474 views

Graphic card driver issues Ubuntu 14.04 [closed]

I have a Thinkpad T400 with a ATI Mobility Radeon HD 3470. It appears that the basic installation of my Ubuntu does not "fully use" the ATI graphics card. From what I have read, the fglrx driver does ...
0
votes
0answers
23 views

Copying video setup from Ubuntu to Debian - external monitor

My laptop has a dual boot Debian + Ubuntu installation. In particular I am using Debian 8.0 with stock kernel 3.16.0-4 (or equally 4.1.10 custom compiled, I tested it and it does not make any ...
4
votes
2answers
405 views

Nvidia graphics card

I have troubles with NvidiaGraphicCard on Linux Mint . So at first I have downloaded the cuda libs for Linux. Drivers are from the cuda NVIDIA-Linux-x86_64-352.39.run All have installed but I have ...
0
votes
1answer
171 views

Ubuntu GNU/Linux AMD graphics card issue

when I bought my dell laptop, it came with Ubuntu 12.04 lts, but I removed it and installed windows 8.1 (now 10) on uefi my story is: whenever I install any debian/Ubuntu distro, I use the open-source ...
1
vote
0answers
130 views

Black graphics glitch on CentOS7 GNOME

ISSUE - Every so often any dialog box, newly opened window, etc will be black. I do not know the exact cause. I notice at times opening PDFs or using Tab Groups on Firefox (latest ESR) will do the ...