Intel GM45 driver installation

https://launchpad.net/~xorg-edgers/+archive/ppa

http://askubuntu.com/questions/85318/how-can-i-get-my-intel-integrated-graphics-to-be-recognized-in-system-info

http://askubuntu.com/questions/129227/how-do-i-install-intel-hd-graphics-driver-on-ubuntu-12-04

http://intellinuxgraphics.org/index.html


Note:

Downgrade Mesa libraries,

sudo apt-get install libgl1-mesa-dri=8.0.2-0ubuntu3 mesa-common-dev=8.0.2-0ubuntu3

Link

CompizConfig

Delete .Xauthority in my home



rm -rf .compiz-1

rm -rf ~/.config/compiz-1/compizconfig/*

sudo apt-get purge compizconfig-settings-manager

sudo apt-get install compizconfig-settings-manager compiz-fusion-plugins-extra

unity --reset

Link  

VAAPI driver for Intel G45 & HD Graphics family 

https://launchpad.net/ubuntu/+source/intel-vaapi-driver/