In order to manually update your driver, follow the steps below (the next steps):

1. Extract ... device you wish to update and choose Update Driver Software
4. Choose to select the location of the new driver manually and browse to the folder where you extracted the driver
5. If you already have the driver installed and want to update to a newer ... "Let me pick from a list of device drivers on my computer"
6. Click "Have Disk"
7. Browse to the folder where you extracted the driver and click Ok  

About Graphics Drivers:

While installing the graphics driver allows the system to properly recognize the chipset and the card manufacturer, updating the video driver can bring about various changes.

... newly developed technologies, add compatibility with newer GPU chipsets, or resolve different problems that might have been ... to see if this download supports your graphics chipset).

Therefore, get the package (extract it if necessary), run the setup, follow ... >/
That being said, download the driver, apply it on your system, and enjoy your ...