Tried to watch a movie on my buddy's PS4. It refused to read a DVD until it connected to the internet, updated, and got authorized to read discs. : r/pcmasterrace
PS4】DVD・ブルーレイの再生の仕方から画質の変更方法までまとめて解説 | ゲームライフ
How to Play DVDs on PS4 in 3 Ways [Free & Easy]
What happens when you put a DVD in a PS4 - YouTube