Ask PlayStation on Twitter: "@B1g_M0ney Please download the system update to the USB and install it in the console, from this link: https://t.co/RhaVd8jm8i You need to click on the "Download Now" black
![How To Fix PS4 Error Code SU 421186 if you can't Replace the Disc Drive - SOLVED Update Error Part 2 - YouTube How To Fix PS4 Error Code SU 421186 if you can't Replace the Disc Drive - SOLVED Update Error Part 2 - YouTube](https://i.ytimg.com/vi/b57TOCQk6qU/maxresdefault.jpg)
How To Fix PS4 Error Code SU 421186 if you can't Replace the Disc Drive - SOLVED Update Error Part 2 - YouTube
![Thomas T. on Twitter: "PS4 users: if you ever experience error code SU-42118 -6 when booting your PlayStation make sure all the internal cables are properly connected. Mine was just a little loose Thomas T. on Twitter: "PS4 users: if you ever experience error code SU-42118 -6 when booting your PlayStation make sure all the internal cables are properly connected. Mine was just a little loose](https://pbs.twimg.com/media/DuSV-m6WsAAS31o.jpg:large)