Hello new here,not to life. Maybe someone can figure this little gem,I have a I-Mac 700 Power pc,Mat****a CW 7121 CD/RW,this unit is really givin me headaches. OS9.2-10.3.3 This is verey stable system except latley burns great until you take the media out will not read its own work. No problem with burn speeds,media no pop up alerts,can take cd to other macs reads fine,can take cd to comm machines(dvd/cd/mp3...etc,even 2 other pcs!!!!) This unit reads comm cds even 1 or 2 of the 120 other previous recorded cdrs, I put in cdrs sits,spins ejects no alerts no fireworks nothin just kicks it out!! Any guesstimations out there?