Display driver plays an important part in Flight Simulator.   How to install it or uninstall it will impact FSX’s performance and stability, especially when switching from NVIDIA to ATI or ATI to NVIDIA.

It is widely known that even after a program or a driver is uninstalled, many “tails” of it will still remain in the system.  It is therefore necessary to ensure that a display driver will only be installed or updated onto a clean environment at all time.

Following is how I update the ATI display driver from 11.3 to 11.4   Continue reading →