Originally Posted by Teacher49
I would love to be able to use this supposedly portable international device on the road
This thread is about standalone DVD players, not DVD drives built into laptops.
In your case, all you need to do is find a zone-free RPC-1
firmware for your physical DVD drive (its brand and model appear in the Windows device manager), and an utility such as
DVD Genie to circumvent the '5 changes only' limitation of your DVD playback software.