Did you ever upgrade the hardware of your computer with, lets say, a new graphic or sound card ? Did you know that the drivers and registry settings of the old cards are still on your system and normally not removed ? This could let to errors especially if you did install additional utilities that try to speed up video playback for instance. I’m going to show a way to remove all those obsolete drivers and registry settings.
All you need is to know the name of the old card, the name of the new card and the freeware Driver Cleaner Professional. Don’t get irritated by the professional, it is completely free to use. Download the freeware and install it. The next step is important. The first thing to do would be to use the uninstall option in Windows to remove everything that could be left from the old drivers.
The best way to run driver cleaner professional would be right after you have uninstalled the old programs but still have the old card connected to your system. Just start Driver Cleaner and choose the name of the drivers that you want to remove, you could choose a general name like ATI or Nvidia which removes all information about those drivers on your system.
Another option would be to choose a specific driver, like ATI WDM and remove that one only. The program removes all references in the registry and all drivers that are stored on the system.
If the new card is already connected to your system you might run into troubles if the card is from the same company. I suggest you still delete all references and install the newest drivers after you have rebooted your machine.
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Sorry to disappoint you mate but the software is not free anymore.