Technical SupportIf you need any assistance to get your unit functioning properly, please have yourproduct information ready and contact Addonics Technical Support at:Hours: 8:30 am - 6:00 pm PSTPhone: 408-453-6212Email: http://www.addonics.com/support/query/TECHNOLOGIESwww.addonics.comUser GuideZ Family DVD+/-R/RW Burnerwith eSATA/USB 3.0(ZDRWESU3)