Most commercial DVDs are encrypted with CSS (Content Scrambling System), which attempts to restrict the software that can play a DVD.Totem-gstreamer can play a DVD automatically when it is inserted into the DVD drive, it cannot navigate the DVD reliably (see Bug #41335). If you use vlc media player you can navigate through the menu, forward in the movie and select subtitles. Just select open disc, probe Disc(s) and click ok.
- Install the libdvdread4 package using the Terminal window (command line): Applications menu / Accessories / Terminal. Copy and paste the first line item below in Terminal window, Enter, type in your login password, Enter and repeat for the second line item below.
sudo apt-get install libdvdread4
- Rebooting may be necessary.