My display properties have somehow messed up and I can't restore them. It got stuck on 640x480 and 16 colors. When I restart the CPU, the screen looks like its on safe mode, but it doesn't show "safe" at the corners. I have reinstalled the drivers, but it doesn't seem to work. Please help me!!!

Try removing and reinstalling your video drivers.

Right click on My Computer, then choose Properties. Then, click on the Device Manager tab. Under there, click the '+' symbol next to display adapters. Highlight your display adapter device, and then hit the <Delete> key. Restart your system. If it doesn't automatically reinstall the video driver, you'll need to either download the driver, or install it from a CD you were probably provided with. After installing the driver, you'll need to restart to get your resolution set correctly.