[qanda]This question is published in the hardware section for the Lite-On DH-20A4P. Click here to view full specs.[/qanda]my dvd will not read cd or dvds, it installed fine, devuce manager says ready to use. I try to update driver says up to date. And i have it set on master. my liteon cd writer works fine and it burns cds fine so i dont know what the problem is
Check the jumper and DMA settings.