You can't install the desktop versions on you laptop....
the driver that came with you lap top is likely 8-12 months old if not years old, either way, not good
at this time you can only.....
try using the mobility modder
http://www.driverheaven.net/patje/
try using the omega divers
http://www.omegadrivers.net/ or other modded sets
Or stay with what you have if your not have issues or bugs
(of course there are allot of performance enhancements as well)