Site Help ID Your Mac
In a different tab or window, go to Apple's Online Check Coverage (https://checkcoverage.apple.com) and enter your serial number (etched onto lower case). What information is displayed below the picture?
MacBook Pro (15-inch, 2.53 GHz, Mid 2009)
MacBook Pro (15-inch, Mid 2009)
MacBook Pro (15-inch, Mid 2010)
MacBook Pro (15-inch, Early 2011)
MacBook Pro (15-inch, Late 2011)
MacBook Pro (15-inch, Mid 2012)