If you cannot meet the above two kinds of circumstances, you can play PAL DVD on pc or laptop with DVD-ROM drive by changing and unlocking DVD region code of your computer DVD drive. But you can only reset the region code five times. After that, the DVD drive will be locked and you cannot change it anymore.
Besides, there’s another perfect solution to help you play DVD in the US easily. That is to rip PAL DVD to the digital video file for playback without any restriction like PAL compatible system, region code, various DVD encryption, etc. To rip PAL DVD, WonderFox DVD Ripper Pro is the first-class PAL DVD ripper that can help you play PAL DVD on your PC, TV, mobile phones, tablets and more devices easily.