Mensagem original de: Dan ,
Your system uses LED's for the backlight system. On your main logic board is a driver chip (WLED) which likely blew. Here's a simular question: [https://www.ifixit.com/Answers/View/153531/Location+of+the+WLED+driver|Location of the WLED driver]. You may want to also review the IFIXIT teardown for your system: [guide|2212|MacBook Pro 15" Unibody Mid 2010 Teardown].