Ubuntu Feisty Installation Guide

My Grpics Card is Nvidia G210M.I installed Smartdimmer.but when i ran a test run wat i gt was as folwols:Unable to shadow the video biosError!Smartdimmer is only supported on certain (HP/SamsungSony/Zepto) laptops using a Geforce 6200/7x00Go/8x00Go. If you want support on your laptop contact the author.can you help me??. Thanks in advance..:)