Sony Dual layer (DRU700A) DVD±RW Dual Layer Burner "powerdvd region" Questions

...region settings in your Video Decoder program (such as PowerDVD, WinDVD etc,n s.). If so, you can sometimes change the region settings a limited number of times in the Tools option of your Video ...

...PowerDVD) behave exactly the same as if the tray were empty. This behaviour only occurs with commercial DVDs (I've tried three different ones). Other media, such as Audio CDs, data CDs, data DVDs, ...

...movies), drive cant see discs, used Nero showtime dvd player(bundled with drive) have tried windvd, powerdvd, and half a dozen lesser known dvd player software(only one player installed at a time to ...