But this screw can sometimes come loose, which the PS4 will interpret as a technician trying to get the disc out of the system.
Use charger for charging a LEAD-ACID (lead acid, sealed lead acid, gel cell, and AGM) battery only
Change Resolution – This is useful if you connected your PS4 to an older monitor that doesn’t support high resolutions and you end up with a blank or black screen.
The first thing you need to do is get a Phillips screwdriver to remove the battery cover.