The default DVD player does not support playing Blu-Ray discs, certain commercial DVDs. In most cases, your DVD player is not working because your DVD discs are in unsupported DVD formats. If your DVD discs are not supported, your dvd player app will go to a black screen and then unexpectedly quit. Unsupported DVDs such as Blu-Ray discs, some commercial DVDs.The default DVD player is very sensitive to the quality of DVD disc, if your DVD is scratched or dirty, you can try a third party free DVD player like VLC or paid DVD player. If your DVD is scratched or dirty, your dvd player can accept discs but they do not mount or are automatically ejected. You can repair disc permission to solve “DVD player not working on Mac” issue. Try to reset the computer’s SMC to see if your DVD player can work on Mac or not.

You will need to repair the DVD drive or purchase a new one in order to watch DVD movies on Mac. If your DVD drive is bad or damaged, the dvd player program will not be open. There are many reasons that cause the issue “the default DVD Player not working on Mac” in macOS Monterey, Big Sur, Catalina, Mojave, High Sierra, Sierra, EL Capitan, Yosemite, Mavericks, Mountain Lion, Lion, Snow Leopard, Leopard.