Mostly check the BlueRay Drive ribbon cable if its connected then the BlueRay is not the original meaning not married to your PS3 you must downgrade to 3.55 enter FSM(Factory Service Mode) remarry the drive or :ġ- Install CFW Rebug Rex 4.82 noBD PUP (Created BY ) Link : Ģ- After CFW boots, Install Rebug Toolbox then Open it go to Selector Column the 2nd one ,navigate to bottom until you see Toggle XMB CFW Settingsģ- Enable XMB CFW Settings the navigate to Utilities Column the 4th one,navigate to bottom until you see Dump eid root key it will copy it to : ( /dev_hdd0/game/RBGTLBOX2/USRDIR/eid_root_key )Ĥ- Your PS3 will reboot after that open Multiman then press Select+Start to go to navigator mode then go to the location in the previous step then copy the eid_root_key to the root of a USB flash drive meaning in /dev_usb006/ if you put your USB in left port /dev_usb000/ if you put your USB in right port the advised one is always the right the whoes near the BD Driveĥ- Exit Multiman and go to Network Column go to folder Named *Custom Firmware Tools/Service Tools/Advanced Service Tools/Ħ- Go to ' *Custom Firmware Tools/Service Tools/Advanced Service Tools/Enter Factory Service mode ' (with red icon) then click it the ps3 will reboot and a red screen in right bottom wil appear with Factory Service mode like you see in the photo below

Ps3 black screen on startup