OK, currently my computer has Windows XP Pro installed, but it was originally installed with Windows ME. How do I bring Windows ME back because I don't have a Windows ME cd.
If you lost the CD and you still have a license you might be able to call the manufacture of your PC and get a replacement CD. Either an OEM or a ghost image whichever your computer came with I assume. It's worth a shot.
When you upgraded you should have been given the option to backup your current system files so that you could uninstall XP if you wanted to. If you did select this option then you can roll back XP to ME if not then you're suck W/ XP.