Only one cure for this bad boy... the scrap heap. It likely costs you more in power to run it for a year than it would to buy a new refurb from Dell (with a coupon of course).
http://www.amazon.com/Sony-PCV-RX850.../dp/B00006LHEUAn 80 GB hard drive provides vast storage capacity, and 512 MB of RAM--expandable to a whopping 1.5 GB--enables multiple applications to run simultaneously without a hiccup.