Instructions
Power on the Sony PlayStation 3.
Open the Internet browser on your computer, then navigate to the Netflix.com website and log onto your account.
Click "Your Account &Help" then scroll to the middle of the display page and click on "Activate a Netflix ready device." Netflix now displays a code you need to enter into the PS3.
Select the Netflix application on the PS3 main screen, then type in the display code from your Internet browser. Press "Enter" and Netflix becomes active again on the Sony PlayStation 3.