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Prevent Video Tearing in KDE 4.11 or Later

This procedure was written  for Ubuntu 14.04

Open the terminal and enter the following command:

gksudo gedit /etc/profile

Paste the following into the end of the config file:

‘export __GL_YIELD=”USLEEP”

Log out of KDE and log back in.


Fix Video Tearing in Linux With Nvidia Cards

Open a CLI and do:

sudo nvidia-xconfig


sudo nvidia-settings

Set your screen resolution and refresh rate in the Xserver settings (I set mine to 1920×1200 @60hz) and save it to xorg.conf

Then do:

sudo nano /etc/X11/xorg.conf

Edit the device section thusly:

Section “Device”
Identifier “Device0”
Driver “nvidia”
VendorName “NVIDIA Corporation”
BoardName “GeForce GTX 650”
Option “RegistryDwords” “PerfLevelSrc=0x2222”
Option “TripleBuffer” “True”

This sets the card to performance mode and enables triple buffering.

In nvidia-settings/OpenGL set:

Sync to Vblank
Allow Flipping
Use Conformant Texture Clamping

Save your configuration and restart the X-server.