I've read all stuff haha, dude I have the exact same problem and I was close to tell you the solution I've discovered minutes ago. My DVD doesnt show anything and I wandering it could be solved simple by doing your last solution (reflash) but now I see for that to work I must have the drive...
without pubg popping off, fortnite wouldn't add battle royale, and call of duty wouldn't go even shittier than it did before because of blackout, warzone and dmz