Unfortunately I'm not well versed in my Apple-fu. A friend has a 13" Macbook and it won't boot, there's really no sign of life on it. We've tried holding down the power button for a while and no go.

I've got a MacBook Pro 17" Core 2 Duo machine here with a very strange problem.<BR><BR>The HD has been wiped blank. It previously had an OS X and a WinXP Bootcamp install on it I believe, but the ...