I had the "unrecognized disc" issue for about a year and finally fixed it for $15. : r/PS4
Does PS4 (Pro) Play Blu-ray? Yes, It Does, and Here Are 2 Ways
If Your PS4 Unrecognized Disc, Use these Methods to Fix It
Ps4 Unrecognized Disc? Clever Ways to Fix it Permanently - TechBide
How to FIX PS4 Unrecognized DISC that won't start! (4 Steps and More!) - YouTube
HELP! I think my PS4 Pro Drive is Dying! - PS3 and PS4 - Cheap Ass Gamer
How to fix your ps4 unrecognizable disc!! The easy way - YouTube
PS4 unrecognized disk easy fix *no parts or tools needed* - YouTube
PS4 Pro Optical Unit Replacement -Fix PS4 Pro unrecognized disc - YouTube
HELP! I think my PS4 Pro Drive is Dying! - PS3 and PS4 - Cheap Ass Gamer
PS4 PRO "UNRECOGNIZED DISK" - NEW LASER - NEW DISC DRIVE - NEW RIBBON CABLES - VERIFIED CABLE SEATING - GOOD F6202 F6201 FUSES PLEAS HELP HOMIES! : r/consolerepair