on 05/09/09 07:55, Jon Marett at jmarett at mac.com wrote: > My 1.67 GHz 17" pb does this from time to time. Simply closing the > lid or waiting for it to go back to sleep (i.e. wait for the little > pulsating light in the release button) and then re-waking up the > machine seems to work fine. most of the time. > I believe the waking issue did occur in Panther as well, Same problem, occasionally, with my 1.5 GHz 15 inch. I'd bet on a hardware or firmware problem.