How to connect a PS4 controller to your PS4, and charge or add controllers

You can connect a PS4 controller using the micro-USB cable that comes with the device. But connecting a second one requires a different method.

How to play music on a PS4 using Spotify or a USB drive

You can play music on a PS4 through Spotify with PlayStation Music, or by connecting a USB drive. Here's what you need to ...
CCM

Too many USB devices connected PS4: fix the error

Rebuild the PS4 database: A corrupted database can cause USB connection issues, as well as a range of other undesirable issues, so rebuilding it can resolve such problems. Start your PS4 in Safe Mode ...