I was playing around with the Emac that did boot and the video came on. It boots to the loading screen and stays there. The apple screen with the spinning pinwheel. Left it running for 1/2 an hour but no change? I took the other one apart, there is white stuff all around the base of the capacitors(?) on the logic board. The hardrive is a 7200rpm Seagate Barracuda. I plugged it into my Performa 6340 but it would not show up on the formatting program? Is this hardrive to new to work in the earlier powermacs?