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14

Graphics cards help with: CUDA/OpenCL style workloads (eg bitcoin mining) 3D rendering. You might be rendering stuff on demand. Most cards can help with video decoding but this applies to many IGPs too. Some cards have hardware to help with video encoding. The quality is usually a lot poorer and this is still under development. ffmpeg can use nvenc ...


13

As you have quite new GPU hardware it might possibly be some kind of driver issue. While intel chips are very well supported, there is actually nothing to do right now. We may come to this later, but to sort things out - let us start with laptop 2 first. Install the latest stable NVIDIA driver and Optimus support : sudo add-apt-repository ...


10

First install the NVIDIA drivers. Open a terminal and execute : sudo apt-get update sudo apt-get install nvidia-352 nvidia-prime sudo reboot Now see graphics information. Open a terminal and execute : lspci -k | grep -EA2 'VGA|3D' Update - addressing your comment that you did not install drivers but NVIDIA X Server Settings : To make sure ...


9

Open System Settings - click Details - click Overview ... now you can see graphics information.


9

Got this problem with 2 simultaneous PyCharms running. So closing them is not a reasonable solution for me. Using raus81's advice edited skype dash link: sudo gedit /usr/share/applications/skype.desktop change Exec=skype %U to Exec=env "QT_X11_NO_MITSHM=1" skype %U


8

Install the latest official stable (short-lived branch) NVIDIA drivers 355. But first uninstall every NVIDIA related software you had installed before. Boot Ubuntu and when the login screen appears press Ctrl+Alt+F1. Enter your user name and password and then execute: sudo apt-get purge nvidia* sudo reboot If you have had bumblebee installed ...


8

No you do not have to install bumblebee - nvidia-prime is the replacement to switch the GPUs. Use the NVIDIA X Server Settings application (Prime Profiles) to switch between the two GPUs. In case this does not work, uninstall every NVIDIA related software ... so - boot your computer ... When the GRUB boot menu appears : Highlight the Ubuntu menu ...


7

First you have to uninstall all NVIDIA drivers and repositories you have already installed before. When the GRUB boot menu appears - Highlight the Ubuntu menu entry and press the E key. Add the nouveau.modeset=0 parameter to the end of the linux line ... Then press F10 to boot. When the login screen appears - press Ctrl+Alt+F1. Enter your user name and ...


7

First create the Ubuntu installation media properly with Disks in Ubuntu. Open Disks - select Restore Disk Image from the menu on the top right. Choose the ISO file and the USB drive to write it to and start restoring. Alternatively you can burn the Ubuntu 15.10 ISO image to a DVD as well. Boot from the Ubuntu 15.10 installation media you created before. ...


7

The xorg-edgers PPA does not contain newer NVIDIA drivers anymore. Additional drivers now are located in the Proprietary GPU Drivers PPA. But you only need to add this PPA in case the drivers from the Ubuntu repositories do not work. First remove NVIDIA software you already have installed and also remove the xorg-edgers PPA. The most proper way to ...


7

Windows and Linux are not comparable. "Windows compatible" tells you nothing about "Ubuntu compatible" and the other way round.


7

You easily can check it this way ... Open a terminal and execute : lspci -k | grep -EA2 'VGA|3D' The output will be something like this : Another way to check it is ... Open a terminal and execute : lshw -numeric -C display The output will be something like this :


7

It's a QT related problem, I fixed running skype with QT_X11_NO_MITSHM=1 Start from shell: QT_X11_NO_MITSHM=1 skype


7

As per this Ubuntu Community Help Wiki Page, Ubuntu 14.04+ is different: Ubuntu 14.04 and up The jockey-text command was removed with the release of Ubuntu 14.04. You can now use ubuntu-drivers to get the list of packages for each driver, and then install the packages using apt-get. For example: sudo ubuntu-drivers devices == ...


7

Thanks all for your support. Luke put me on a track that solved the problem in a easy way. The issue relates to issues using SNA (Sandybridge's New Acceleration) with the Intel Graphics and need to revert back to UXA (Unified Acceleration Architecture). The way to do this is pretty simple: Put the following: Section "Device" Identifier "Intel Graphics" ...


6

Depending on the way you've set up your system it might be as easy as copying the monitors.xml file from the correctly set-up user to all users: Test for one user: cp --preserver=timestamps /home/CorrectUser/.config/monitors.xml /home/TestUser/.config/ then log off TestUser, log back on and see whether everything is correct. Now do for all users: cp ...


6

Install the latest stable NVIDIA driver and Optimus support from Proprietary GPU Drivers PPA : sudo add-apt-repository ppa:graphics-drivers/ppa sudo apt-get update sudo apt-get install nvidia-355 nvidia-prime sudo reboot


6

The hardware information that you had provided in your earlier question says that you are using Ubuntu 12.04 on a machine that has a NVIDIA GEFORCE GT 520MX graphics adapter. Install the NVIDIA drivers in an alternative way, but first remove all NVIDIA related software you have had installed ... this includes bumblebee ... it will be replaced with ...


6

As AJefferiss suggested I executed a command: ipcs -mp I found a "pid" of last process and executed: ps aux | grep "pid" It was PyCharm, I was running 2 instances of this IDE. After I disabled one of them, Skype issue was resolved.


6

To solve your problem install the very latest current stable NVIDIA drivers 352 ! But first uninstall every NVIDIA related software you have had installed before. Remove the bumblebee packages as well - it will be replaced with nvidia-prime. Open a terminal and execute: sudo apt-get purge nvidia* bumblebee sudo reboot Then install the new NVIDIA ...


6

Step 1 - Uninstall the existing NVIDIA drivers ... Highlight the Ubuntu entry in the GRUB menu and press the E key. Add nouveau.modeset=0 to the end of the linux line. Press F10 to boot. On login screen press Ctrl+Alt+F1. Enter user name and password. Execute : sudo apt-get purge nvidia* sudo reboot Step 2 - Install the latest official NVIDIA ...


6

First install the NVIDIA drivers and NVIDIA Optimus to switch between intel and NVIDIA graphics. Open a terminal and execute : sudo apt-get update sudo apt-get install nvidia-352 nvidia-prime sudo reboot You can see whether the NVIDIA card is in use (Kernel driver in use: nvidia) with this command : lspci -k | grep -EA2 'VGA|3D' The output ...


6

It is just as easy as ... Open a terminal and execute : sudo apt-get update sudo apt-get install nvidia-352 sudo reboot There is no need to do more ...


5

First uninstall all already installed NVIDIA drivers software ... boot the PC. Highlight the Ubuntu entry in the GRUB boot menu and press the E key. Add nouveau.modeset=0 to the end of the linux line - press F10 to boot. On login screen press Ctrl+Alt+F1 - enter user name and password - execute : sudo apt-get purge nvidia* sudo reboot Now reinstall ...


5

Install the drivers 352 which support the NVIDIA Quadro K620M this way : Highlight the Ubuntu entry in the GRUB boot menu and press the E key. Add nouveau.modeset=0 to the end of the linux line - press F10 to boot. On login screen press Ctrl+Alt+F1 - enter your user name and password - then execute : sudo apt-get update sudo apt-get install nvidia-352 ...


5

I found a bash script for imagemagick to do that by Fred Weinhaus. His scripts are available free of charge for non-commercial use, ONLY. Command line usage: USAGE: cartoon [-p pattern] [-n numlevels] [-m method] [-e edgeamount] [-b brightness] [-s saturation] infile outfile USAGE: cartoon [-h or -help] -p ... pattern ...... segmentation pattern ...


5

To solve your problem install the latest stable NVIDIA drivers 355. But first uninstall every NVIDIA related software you have had installed before. This includes removing the bumblebee packages as well, they will be replaced with nvidia-prime. Open a terminal and execute: sudo apt-get purge nvidia* bumblebee sudo reboot Then (re)-install the ...


5

As you are using very new GPU hardware, it is recommended to also use the latest stable drivers. Install the latest stable NVIDIA drivers supporting 980Ti from the Proprietary GPU drivers PPA. Open a terminal and execute : sudo add-apt-repository ppa:graphics-drivers/ppa sudo apt-get update sudo apt-get install nvidia-352 sudo reboot


5

Maybe there something got messed up when you tried to install the NVIDIA 340.93 GPU drivers. Before you install new drivers uninstall every NVIDIA related software you have installed before. Open a terminal and execute : sudo apt-get purge nvidia* sudo reboot Then install the current stable NVIDIA drivers supporting your NVIDIA 310M GPU by executing ...


5

Finally applying the Why is "GPU Process" causing such a high CPU usage with Google Chrome? recommandations is the better answer that I thought at first sight. With the latest version of google chrome (v 45.0.2524.99) along with a change of the AMD driver Trying to configure a HD 7470/8470 - Strange video refresh Title changed and instability of video ...



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