If you have screen tearing problems, something similar to the image above and specially while watching video, this is how you can easily solve it either on Intel or AMD video cards.

Intel cards

1. Open the terminal

2. Install mesa-utils:
sudo apt-get install mesa-utils

3. Create a specific directory:
sudo mkdir /etc/X11/xorg.conf.d/

4. Enter these parameters:
echo -e 'Section "Device"\n Identifier "Intel Graphics"\n Driver "Intel"\n Option "AccelMethod" "sna"\n Option "TearFree" "true"\nEndSection' | sudo tee /etc/X11/xorg.conf.d/20-intel.conf

That's it. Reboot and it should be ok now.

If you wanna undo this procedure just enter in the terminal:
sudo rm /etc/X11/xorg.conf.d/20-intel.conf

AMD cards

1. Open the terminal

2. Install mesa-utils:
sudo apt-get install mesa-utils

3. Create a specific directory:
sudo mkdir /etc/X11/xorg.conf.d/

4. Enter these parameters:
echo -e 'Section "Device" Identifier "Radeon" Driver "radeon" Option "TearFree" "on" EndSection' | sudo tee /etc/X11/xorg.conf.d/20-amd.conf

That's it. Reboot and it should be ok now.

If you wanna undo this procedure just enter in the terminal:
sudo rm /etc/X11/xorg.conf.d/20-amd.conf