If this error occurs when connecting a USB device, try using another USB device.
If you have changed your console's internal hard disk drive (HDD), please replace the original HDD that was included with your console and then try again.
If this error occurs while using an external HDD, there may be a problem with the external HDD.
Reconnect the external HDD and select Restore File System.
Format the HDD again.
If the situation does not improve, please try with another HDD.