System update error; there may be a problem with the hard disk drive.
Solution
Before trying any of the following, make sure you have backed up the saved data on your PS3 system. For information about the Backup Utility, please click here
Turn off the PS3 system, wait for 10 seconds before turning it back on and try to update the system software.
Enter Safe Mode and select [Restore File System]. For information about how to access Safe Mode, please click here
If this does not work, select [Restore PS3 System]. Please note that this will delete all data from the PS3 system.