If you haave this model and installed windows 7, the audio wireless and other drivers should work properly except the card reader, here is the card reader drivers you need:
Card reader (32-bit): Download
Card reader (64-bit): Download
for audio it uses realtek driver, if you have problem with sound make sure to run automatic updates first, if still no sound try this driver:
Realtek r2.53: Download
for your graphic, if after run update it still appear as standard graphic adapter try use this catalyst:
ATI Catalyst™ Display Driver version 10.2
Download
For brodcom bluetooth, try this one:
Download
and for touchpad try this:
Download
