I have a Blu-ray player in my laptop, so why Mac media player can't play it? And what can I do to make it work?
This question has already been tackled here.
Media player can't play blu-ray player. If you want to play blu-ray player, you need to buy a Blu-ray Player. What's your operating system? Mac or Win?
General media player can only deal with the common media formats like VideoCD, DVD, MOV, etc. If you wanna play Blu-ray, install some professional Blu-ray software. Here is a introduction http://macdownload.informer.com/blu-ray-player/
I can't understand your question. You want to play blu-ray files on PC? Download a blu-ray player supporting the OS of your PC, and get a blu-ray drive, connect using USB.