Rank: Guru
Rating: 88%, 159 votes
Yes, though it's a bit complicated.
It's explained in detail here:
http://www.nerd-out.com/darrenk/1500/150...In a nutshell, on most models you can change the bios with a CD that you can burn. This includes adding your own background image. I'd say, even if your model number shows one you can't upgrade, try it anyway. It's likely the previous owner upgraded to a CD flashable bios.