So your Bluray player is not working then?
What version of the windows operating system are you currently using and have you tried a few different (clean) bluray disks?
You might want to consider installing a better media player software program ... VLC for instance is free, and easy to install.
1. checking the drive can be seen from the operating system ... that tells you if the physical drive is "there" as far as windows is concerned;
2. Trying a few clean bluray disks;
3. Try installing a free media player.
Let us know how you go.