On 12/13/05 10:38 AM, Paul Moortgat wrote: > It was 1 monotone sound for a few seconds. Thanks Linda. So maybe it was a "single" sound instead of a "signal" sound. In that case... Not sure what you should do. You might have more than one issue going on -- RAM, based on the "sound" your machine makes, and a thrashed disc, based on Drive 10 on a non-compatible OS. How old is the PB, do you still have AppleCare on it?