Re-T61, high difintion audio prompts can not find how to do the driving

Lenovo bring their own because of too much junk software I will be re-T61, before re-use wizard-driven set of the backup system drive, but re-file after all the drivers can not find tips “high difintion audio audio bus driver “? Driver wizard can not find what automatic updates.This is why I ask? Should I do? Thinkvantage can only use it to restore?

PS.Please say out of concrete,” Lenovo Web site to find ” So too general a

This should be the graphics card's driver, you drive in the card folder, look for test Test