I am trying to get compiz installed on BT4b. I have read through the how to and am not sure how to ensure i have the correct driver. The tutorial is for a nvidia card and i have an intel integrated graphics card. I was not sure if i should post this question in that thread or start a new thread so i avoided posting in the how to section. I should be able to follow all of the other steps but i am confused on how to check the current driver that i have as well as how to update it if needed.

Here is the how to that i am referring to: