How to improve Lenovo Ideapad Z580 battery backup time and reduce heat in Ubuntu Linux

The Lenovo Ideapad Z580 comes with the Intel HD 4000 on board graphics and a Nvidia GT630M 1 GB DDR3 graphics card. The technology behind it is called Optimus, where in Windows, the computer can manage the switch between the graphics cards (on board or otherwise) when graphics power is needed. As the Nvidia graphics … Continue reading How to improve Lenovo Ideapad Z580 battery backup time and reduce heat in Ubuntu Linux