No Hard Disk Drive detected in your PS4
The PS4 system cannot detect the Hard Disk Drive ("HDD") in the system, please try the following:
Step 1: Turn off the PS4, unplug the power cord and remove the top cover. Please click here for instructions on removing the HDD cover.
Step 2: Check that the HDD is correctly installed by removing it from the system, and reinserted.
Step 3: If you are still experiencing the error after reinstalling the HDD, it could be corrupt or faulty, or your system may be in need of service. Please contact PlayStation Support for further assistance.