hi guys plz help me i am in big trouble

i have ps3 60gb ntsc

i was playing heavy rain and suddenly the console just restarted and when i try to open the open manager application it give me black screen and the console hang and when i press the home button nothing happen

then i tried gaia manager"the last one"and ftp and even multiman they all give me black screen

the only manager that works for me is the simple manager avchd

i use hermes v4 on a 18f2550 board and my tv has avi input only "so i have no hdmi"

any solution plzzzzzzz