what are other drivers to download on my toshiba L645-S4102?

[Mrs Mo]

Good day,

I have replaced the HDD on my toshiba, but i deleted all the partitions so i dont have any driver left. i was able to successfully download the driver for wireless, LAN, updated the windows 7 64-bit. what else should I need to download? or how do I know what drivers to download? Thank you for your help

 

[Phillip Corcoran]

Chipset driver.
Audio driver.

Plus anything else that shows an error or question-mark in Device Manager.