Okay, this has happened several times. Sometimes, I install a driver, but when I reboot my computer, the monitor goes blank after the Windows XP splash screen. The solution is easy — go into safe mode (which disables the drivers), and uninstall it.
But what if it happens randomly? Most likely, it’s the display adapter (or the video card driver). My driver has a bad habit of getting corrupted when I reboot the computer improperly (power cut). So, you have to go into Safe Mode, uninstall the adapter (some people say to switch to a generic VGA driver, but mine does not have an option for that), restart, and fix the distorted screen. (That happens because the screen resolution goes all funky. Also, sometimes it resets the colors to 16 colors. Ugh!)
I hope this helps somebody else out.