>do you still suspect the cdr/dvd drive? Also, these drives have had a pretty high failure rate in TiBooks; I would disconnect all external; if results are same and since you seem rather handy, then disconnect the internal CD; if the problem still occurs, then the port the burner uses may be dead or something more serious... -- <><><><><><><><><><><><><><><><> Mike Bigley Maineville, Ohio http://www.norbertrunning.com Please support an American Indian Elder & Medicine Man by visiting the above link. <><><><><><><><><><><><><><><><>