There is no sound. Any suggestions?

Where do you buy the disc? Some discs are limited in some certain region by the cinavia protection. And you have to remove the protection with some software too. Try Leawo Blu-ray Cinavia Removal.

Or follow this procedure to troubleshoot no sound when playing a DVD or audio CD.

1. Ensure the disc is inserted into the DVD player correctly.
2. Ensure the audio cables from the DVD player are connected properly to the television or stereo receiver.NOTE:Audio from a Super Audio CD will only be output from the analog outputs of the DVD player.
3. Ensure the television or stereo receiver is set to the correct input for the DVD player.
4. Ensure the television or stereo receiver is not set to aMUTEorSPEAKER OFFsetting.
5. Ensure that the volume on the television or receiver is set to an audible level.
6. Attempt to play a different disc in the DVD player.
7. Try playing a different audio source through the television or receiver. Connect the DVD player to a different audio input on the television or receiver.
8. Replace the connecting cables.

Make a new copy and select audio track this time. Leawo Blu-ray Copy is one of the best Blu-ray copy software to copy and back up Blu-ray/DVD/ISO files to hard drive or blank Blu-ray/DVD disc. This Blu-ray Copy software could help preserve your Blu-ray/DVD discs and keep them away from damages. It could copy and back up Blu-ray/DVD disc to computer in folder and/or as an ISO file, or back up Blu-ray/DVD disc to blank discs in 1:1 rate. As a powerful Blu-ray to DVD Converter, it allows you to compress Blu-ray content among BD100, BD66, BD50, BD25, DVD-9 and DVD-5, remaining high quality.

How about giving this Leawo Free DVD/Blu-ray Player a try?

Leawo Free Blu-ray Player software contains all media playback solutions you need for your leisure entertainment. It acts as free Blu-ray disc player, free DVD disc player, free CD player (video-CD), free HD video player (free 4K video player), free ISO file player, and free audio player (free music player). Being a free Blu-ray disc player software app, it plays Blu-ray discs for totally free, and downward compatible with DVD disc and CD discs playback, no matter they are commercial or regular. It's the best free software to play Blu-ray on Windows (including Windows Vista, XP, 7, 7, 8, 8.1, and 10).
Meanwhile, as free DVD player, it's not only a free DVD disc player, but also free DVD player to play back DVD folder and DVD ISO image file for totally free. It's also a free 4K video player to deliver extraordinary image and audio experience via 4K displays. It's cable of playing 4K video in MKV, MP4 and TS formats, 1080P videos in HD MP4, HD MKV, HD MOV, etc., 720P videos in MP4, AVI, MKV, and other formats, be it camcorder reordered footage, downloaded online video, or streamed video.

Hope it can be another choice for you or other users. :)
Best Free Blu ray Player Software for Windows Leawo Free Blu ray Player

Is this a copy of a movie?