[header] How to enter safe mode on a playstation 3 [title] Know when to use safe mode. [step] This is a good choice if : [substeps] Your ps3 starts up but the xmb menu doesn't come up (you only see the wave screen, instead). Your ps3 starts up but nothing happens on the screen. 
You see an error that says, " the hard disk's file system is corrupted and will be restored " but the restoration process is not successful, or you see that same error repeatedly. Your console stops working during an update, or after the restart that follows an update.