I've got a My Book Studio LX External Hard Drive (for Mac) that makes strange noises when it powers up and won't mount. I...

Did anyone ever figure out how to open the My Book Studio LX aluminum drive case? I found this article that mentions you can open it by first removing four small phillips head screws: http://www.storagereview.com/western_dig... However, I seem to only see four slotted screws and they seem to be plastic and won't turn when I attempt to use a screwdriver.