Question: HITACHI dvd-rom gd-3000 will not play dvd's ...is there some firewall upgrade that i  need....please help!!!? 

Answer: Firewall is not even in the picture (pun deliberate).\n \nI am assuming that you have tried the normal things but it still does not work.\n\nUninstall the drivers, and reinstall them.  That might work.
This question from the Yahoo Q&A forum is categorized in the topic: Family & Relationships