Download the free version of Aida32 on another computer, burn it to CD, run it on your laptop. It will tell you what your hardware is so you can download drivers. Then, save those drivers on CD so next time you won't have this problem.
Change the world. Of one person. Today.
If your equation requires either a complex combination of variables to get the desired result OR you can't seem to get the result regardless of the variables....it ain't your variables, it's your constant.