Please help. I just bought a NEC 3520A DVD writer with a usb 2.0 external enclosure. I try to use NERO, 120% Alcohol, and DVD Decrypter to burn DVD, none of them are success. i use 8x verbatim DVD+R.i try to burn .ISO game, some Data (Pictures), all did not work. the firmware i have is 1.04. I try to upgrade to firmware 1.25, still did not work. Please give me some advises!!