sudo mkdir -p /etc/X11/xorg.conf.d/
sudo vi /etc/X11/xorg.conf.d/20-intel.conf
On newer Ubuntu / Mint / Debian systems the file would go in:
Type "i" and enter the following:
Identifier "Intel Graphics"
Option "AccelMethod" "sna"
Option "TearFree" "true"
Be sure to use this guide with the correct quotes " (if they have a nice curve to them they are wrong and will cause your graphics/Xorg to not work).
You don't even need to restart your whole computer but you could just hit "Control + Alt + Backspace"
If you have an error when restarting you probably have the wrong curved quotes from somewhere else.
[1010978.161] (==) Using system config directory "/usr/share/X11/xorg.conf.d"
[1010978.161] Parse error on line 1 of section InputClass in file /etc/X11/xorg.conf.d/20-intel.conf
The Section keyword requires a quoted string to follow it.
[1010978.161] (EE) Problem parsing the config file
[1010978.161] (EE) Error parsing the config file
Fatal server error:
[1010978.162] (EE) no screens found(EE)
The above is happening once again due to wrong quotes coming from some bulletin boards and Wordpress blogs. Make sure your quotes are straight like this " and not curved. If they are just delete manually and requote and restart.
sudo service mdm restart
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