Ok, follow these steps:
1. Click Start button
2. Right click “My computer”
3. Click “Manage”
4. When the window pops up, on the left side at the bottom choose “Devices”
5. Expand “Display Adapters”
6. Right click your video card, and click “properties”
7. Click the “Drivers” tab
8. Click “Roll Back Driver”
This should help you out, if not, let me know, ok?