See if you can call up the menu. If you can go into setup and see if there is a selection for reset to defaults. If this does not help call Samsung.
I have the Samsung BLU-RAY BD-P2550 DVD player, and last night after watching a movie, the screen came up about a new firmware upgrade available to download from my Ethernet connection. I mistakenly hit yes on my remote with the movie in-stopped, and it started to download. It finished and shut off, but when I went to watch another movie the next day it went briefly to the Samsung screen , showed load and stayed in that mode. I could not eject or play the movie, what can I do?