RIP the DualShock 4 controller, which won't be compatible with PlayStation 5 games. It will still work with PS4 games compatible with the new console.

How to Fix a PS4 Controller That Won’t Connect To figure out why your controller isn't working correctly, and get it connected to your PS4 so you can start playing again, perform each of the ...

If your PS4 controller won't charge, you can try swapping out the charging cable or checking the charging port.