To help figure out the real cause, start with powertop: http://ubuntu-tutorials.com/2008/06/19/extend-your-battery-life-with-powertop/ http://ubuntu-tutorials.c

To help figure out the real cause, start with powertop: http://ubuntu-tutorials.com/2008/06/19/extend-your-battery-life-with-powertop/ http://ubuntu-tutorials.com/2008/06/19/extend-your-battery-l...