[qanda]This question is published in the hardware section for the Optiarc AD-5170A. Click here to view full specs.[/qanda]My DVD-RW Optiarc AD-5170A don’t read one DVD-R 1X-8X (PRINCO) written on another writer at 6X. It is normal ? I need help. Thank you Costin.
Welcome to the Forum.
In seeing that the particular DVD in question is known problematic cheap poor quality Princo Media your problem is not unusual. Princo Media has a rich well-documented history of being problematic cheap poor quality Media and experienced well-informed knowledgeable users avoid (do not use) the problematic Princo Media.
Suggest only using known proven quality error free Media that consistently produces quality error free such as Taiyo Yuden or Verbatim Media.