The PS5 might be Sony’s shiny new console, but plenty of us are still happily playing our PS4s. That is, unless the system can’t read our discs. It’s a little more than frustrating when the PS4 refuses to play the $80 game you just popped in the disc drive. If you’re experiencing this issue, these tricks can help.First, though: I buy almost all my games digitally, so I’ve never encountered this issue on my PS4. Instead, the problem came to my attention from this Red