I've got a white macbook C2D that froze up on me while shutting down last night. Hung on the beachball, so I just held down the power button till it shut off. Starting up today I just got a blank grey screen. Left it for a few minutes, still nothing, so I shut it off and started up again. This time I got the no startup disk blinking question mark folder. Tried restarting with cmd+opt+P+R, but it still left me with the grey screen. Tried inserting the CD and starting up while holding down C and that still hangs at the grey screen. No blinking folder or anything. There's no apple store for me to take it into around here. I'm out of ideas. Anyone else have any?