Go to the site (macsales.com). Find Customer Service. Send e-mail requesting an RMA (or, maybe you have to fill out a form with the purchase order number, serial number, etc.,--I forget). But, they were pretty swift about it all, and very decent, and they shipped the replacement out the day after I mailed them the defective one by USPS Priority Mail. --Steve At 4:07 PM -0400 7/4/05, Rick Nagle wrote: >So, you mention OWC will replace the processor? >how does one get the ball rolling for a new processor, that can pass the Chess Test.?