I am struggling to keep the screen from dimming on my new laptop.

Links I have looked at include:

1. http://superuser.com/questions/471639/intel-hybrid-graphics-stuck-in-power-save-mode
2. http://www.istartedsomething.com/20090723/lesson-intel-graphics-power-saving-feature/
3. http://en.community.dell.com/owners-club/xps/f/3681/p/19370038/19861207.aspx#19861207