On 7 Oct 2007 13:20:22 -0700, B G wrote: >On Oct 6, 2007, at 1:20 PM, keith_w wrote: > >> I don't GET a start-up chime anymore. > >There is a possibility it is the power switch assembly.... Can you hear the HD spin up? Does the fan run? If so the switch is working. It is a frequent-failure component on some models.