Saga Lout -- The TXQ120 is a Home Theatre System, not a PC DVD drive.
Paul, I found this, should turn the DVD player in to a multi-region DVD player.
Go to DVD mode without a DVD in the player.
-On remote-
Press: Enter
Press: 8,4,2,6,9
Press: Enter
Done.
Note: I also read that doing the above may invalidate the Samsung warranty, so it's your call.