I have a bad Western Digital hard drive that I am trying to fix. I have tried lots of software options and repair tools, but none seem to work. I tried booting from a Linux System Rescue CD and using a few tools, but still had no luck. The drive spins up once in a great while, but only for a short time. There isn't enough time to get it mounted or look around. I'm beginning to think that it could be a bad logic board on the drive. I thought I'd remove the logic board and see what the chips look like (maybe burned, etc...) but I can't find a tool to remove the four screws holding the board on. I have a star-bit driver set that goes pretty small, but not small enough. Does anyone know where I can find the correct tool to remove the screws that hold the logic board on a fairly new Western Digital drive?