Turn off the PS4 and disconnect it from the internet (unplug the Ethernet cable or temporarily unplug your wireless router). Internet signals can interfere with the controller's connecting process.

Third, you can hook up your PlayStation directly to your router using an Ethernet cable. By using a wired connection, you can avoid the loss of speed through wireless transmission. On Amazon, a ...

In order to power cycle the router, you need to turn it off normally first. once the router is off make sure to unplug the power cable from the power source and wait for 30 seconds.

When everything is unboxed, find the HDMI cable. This is a black cable with an and that looks like the image below. This connects to the back of the PS4 in the only port that it fits in.