Rolling back, and Troubleshooting Device Drivers
It is not uncommon for new drivers to cause more problems than they solve.
To go back to a previous working driver Windows offers a rollback feature.
You can rollback a driver by clicking the rollback driver button in the driver tab of the drivers properties sheet. It will return the driver to its previous state before updating the driver.
A bad driver for a graphics adapter can prevent the system from functioning.
Watch to the end of this video to see what are the techniques to troubleshoot hardware and driver problems.