I cant burn

Hello , everybody i hope someone can help me in this big problem , i bought an MegaStor 7-in-1 16X DVD-RW DL USB 2.0 external . and i got an hp computer with windows xp sp2 but i think it does not recognize my burner because always when i try to backup something nero displays a message that sais scsi comman aborted or error and i cant even burn anything in another computer that is older than my new brand one , it burns perfect but too slow so i dont know why i can burn something , i also have try lot of software but everything fails so i dont know what to do , is it windows xp ? or the usb 2.0 drivers ? please help me on

Well, I’m not 100% sure about your answer, but I do know that HP/Compaq etc. don’t like other hardware parts with it.

Also, I have heard something about DMA enabled/disabled to do with the slow burning. Not sure, as I don’t have a DVD drive.