Things You'll Need
Instructions
Start your PS3. Access the backups of your "Modern Warfare 2" saves from the Play Station 3 and save them onto your external hard drive.
Remove the external hard drive from the PS3 and attach it to the computer.
Move the "Multiman" software to the external hard drive.
Create a folder named "GAMES" in the external hard drive.
Move the saved backups of "Modern Warfare 2" to the "GAMES" folder.
Remove the external hard drive from the computer and attach it to the PS3.
Navigate to "Game," then "Install Package Files."
Select "Install Multiman."
Open "Multiman" from the PS3 navigator.
Accept the terms and conditions.
Quit "Multiman" from the PS3 navigator.
Access "Network Settings" under "Settings" in your PS3 navigator. Select "Internet Connection Settings."
Select "Custom" to customize your Internet connection preferences.
Select "Wireless," then "Scan."
Choose your router from the list and enter your password for the router.
Select "Automatic" from the next prompt window, followed by "Do Not Set."
Select "Manual" from the DNS settings.
Change the Primary and Secondary DNS settings to "67.202.81.137."
Select "Automatic" from the MTU menu, followed by "Do Not Use," and then "Enable."
Press "X" on your PS3 controller to verify the connection.
Sign in to PSN from the PS3 navigator.
Return to the navigator and run "Multiman."
Navigate to the games menu.
Run "Modern Warfare 2" by pressing "X" and "Select" at the same time.
Select "Yes" from the next prompt window, then "OK."