Yes - 10.3.4 seems to be the culprit. Will comment to apple and monitor the tread Thanks Dan >> Also my built in mic doesn't seem to work? >> >> Dan > > Did it work fine until you upgraded to 10.3.4? MacFixit reported this > is an issue with the 10.3.4 upgrade and iBook 500s. The Apple Support > Discussion boards have several threads of complaints, but so far as I > know, Apple has no real fix as yet. Check those discussions, though, > for a workaround which works only ONE time and lasts only until > restart. (Something about holding down the option key on startup, > IIRC--don't hold me to it, though, check for yourself.) Some of the > posters have gone back to 10.3.3. Search the iBook (Dual USB) folder > for "microphone" and you'll find at least one thread. > > There's also a link to post feedback to Apple about this issue. Might > help