This is NOT because they were built poorly to begin with (well, in some cases this can be the case, but certainly not when you are dealing with ATI who are known for top quality products). Graphics Drivers, just like every other piece of software out there, are prone to bugs from time to time. It is a bit more technical than this, but you most likely get the idea. In this case it will tell your operating system that the ATI Graphics Card is meant to display imagery on your monitor. These drivers will tell your operating system exactly what to do with that particular piece of hardware. Your graphics card, just like every other piece of hardware in your computer requires software drivers to be installed in order to function correctly. Firstly though, it is worth covering exactly why they have to be updated.

You will learn exactly how to on this page. If you have an ATI Graphics Card then it is important that you update the drivers on a regular basis.

How to Find and Install ATI Graphics Drivers and Driver Updates

Graphics card update