So if the movie you are playing is saved in an HDD when you encounter the no sound problem, then it could be this software limitation that’s causing the problem. Cyberlink PowerDVD will only play the sound of your movie when it detects the movie from DVD or BD disc. To be more specific, if you are using these particular versions of the program, you can't play the movie from files on your Hard Disk Drive (HDD).

It's reported that some version of PowerDVD has some kind of limitation which could lead to the movie no sound problem. Here are some of the most reported and most possible reasons that could be the cause of your PowerDVD no sound problem. For different version of the program and different specs of the computer, there might be different causes that could lead to the no sound problem. The reason for Cyberlink PowerDVD to play no sound during the movie playback may be various. Part 1: Possible Reasons for PowerDVD No Sound

Part 2: How to Solve PowerDVD Play Movies No Sound?.

Part 1: Possible Reasons for PowerDVD No Sound.

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