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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74 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) - ...
1
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0answers
6 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
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3answers
473 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
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0answers
11 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 ...
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1answer
50 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 ...
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0answers
11 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 ...
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4answers
25k 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
2k views

How to select which graphics card to use?

I have a desktop machine (running Ubuntu 13.10) with two video outputs (both nVidia): an integrated graphics card, which I want to use for my desktop display, and a PCI graphics card, which I would ...
1
vote
1answer
298 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 >> ...
0
votes
1answer
2k views

Change screen resolution into Kali on Mac BookPro

I installed Kali in dual boot on my Mac Book Retina, all work, but I have a screen resolution too high. So I need to change the screen resolution, but if I change it, the screen become black, and ...
46
votes
4answers
13k 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
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0answers
14 views

General Graphic Problems in Mint

I've been using linux mint for a week now, but from day 1 on, I had several graphic bugs, mainly the picture looks torn apart when it's moving. I'm using the recommended nvidia drivers. to list some ...
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0answers
24 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 ...
1
vote
2answers
30 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
17 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 ...
1
vote
1answer
58 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 ...
1
vote
1answer
2k views

cinnamon doesn't start, bumblebee problem

I have Linux Mint 13 64 bit version with cinnamon, NVdia Geforce 320m, proprietary driver 304.54 if I'm not mistaken. I installed bumblebee following this guide: sudo add-apt-repository ...
0
votes
1answer
1k views

Kali Linux 2.0 and NVIDIA legacy 304.125 - Not Installing

I have installed Kali Linux 2 on an old laptop, a Dell XPSM1210. It has an NVIDIA Geforce Go 7400 (G72m) graphics card in it. Downloading the run file from NVIDIA's website, I am able to get it as far ...
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0answers
58 views

Graphics glitches on Intel HD Graphics 530

What's the cause of these glitches: https://youtu.be/llS6JwZAT74 ? The horizontal lines appear on screen redraw. They happen most often on Alt-Tab, or switching to desktop (as in the video). The ...
0
votes
1answer
20 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, ...
2
votes
0answers
20 views

Xlib: extension “GLX” missing - with an NVIDIA card and on-board graphics

I have a machine with an NVIDIA GeForce which I don't use for display purposes (i.e. the monitor is not connected to it), and some lackluster on-board graphics chip. (Below you'll find the relevant ...
0
votes
1answer
5k views

How to install Intel Graphics drivers for Mint 13

I have choppy video and my windows are choppy when I move them around. Also when my PC 'turns off monitor' it does not turn off normally but like the cable was unplugged. I guess I need to install a ...
3
votes
1answer
27 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
164 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 ...
2
votes
1answer
75 views

Do all intel gpu's use software rendering (Mesa) only?

I was looking at :- $ glxinfo | grep OpenGL OpenGL vendor string: Intel Open Source Technology Center OpenGL renderer string: Mesa DRI Intel(R) Haswell Mobile OpenGL core profile version string: 3.3 ...
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votes
1answer
101 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
46 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
37 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
31 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
193 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 ...
0
votes
1answer
44 views

Determine which graphics driver Xorg uses

on a fresh Arch Linux installation i had difficulties with the graphics drivers. In the process i have installed a lot of different drivers to somehow get the display working. Now i need to ...
1
vote
0answers
13 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
48 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
82 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
50 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
50 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
989 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
62 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
300 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
85 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 ...
24
votes
5answers
38k 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
32 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
74 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
18 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
27 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 ...
16
votes
4answers
16k 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
58 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
66 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 ...