A user responds that he cannot play the converted DVD disc on DVD Player, but he can watch it on computer with Cyberlink Power DVD. When you encounter such problem, please navigate to "Preference" option and check which video format you select there, "PAL" or "NTSC".
It must be the same as the settings of the DVD Player you are using. If they are not uniform, you will not be able to play the burned DVD on your DVD Player. Your DVD player should also provide such option to select.