I bought a used Dell Dimension E520 - it has the Windows XP Media Center Version. The previous owner left some things behind, and I would like a fresh start with a totally clean computer. However I don't have the disc for installation, at least I dont think so - it came with a bunch of discs but they seem to be drivers. I tried running winnt32.exe, but it said that I should boot from a cd instead since the XP version on the "CD" was older than the one installed. I just pressed continue to test if the product key worked, it didn't and said that it was invalid. Does Dimension E520 maybe come with XP Home, and the previous owners have just installed Media Center and put the sticker on top?
Any other way to do this? Restoring from previous backup won't work because the latest restorepoint was from a month ago when the owner tried erasing as much as possible.