Im gonna be really short. My Acer Aspire 5755G lap top has a Nvidia geforce gt 540m. But when i start lspci | grep VGA it shows me the following: ^[[Agangov@gangov-Aspire-5755G:~$ lspci | grep VGA 00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09) 01:00.0 VGA compatible controller: nVidia Corporation GF106 [GeForce GT 555M] (rev a1) Im really not familiar with the additional drivers in ubuntu. Can somebody tell me what should i do you my VGA properly?? Thank you in advance.