Category Archives: HowTo

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.

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Fix Window Resize Lag in Ubuntu Unity

  1. Install CompizConfig Settings Manager found in the Ubuntu Software Center
  2. Open CCSM
  3. Click “Window Management”
  4. Click “Resize Window”
  5. Click the “General” tab
  6. Under “Default Resize Mode” choose “Outline”

Fix Video Tearing in Linux With Nvidia Cards

Open a CLI and do:

sudo nvidia-xconfig

Then:

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”
EndSection

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.