Macbook Pro 15" Mid 2012 Efi Chip Issue or Not?


hello macrumours forum, bought macbook pro mid 2012 15 "logic board i7 2.3 nvidia gt 650m , intel hd 4000 graphics, guy sold me logic board told me full functionality , performed installation, little curious macbook pro turned on pressing power button 5 seconds , connecting magsafe charger, not pay attention because did not have hard drive system check detail , when home first thing perform smc restart turn on mac , keyboard backlight not turn on, when opened cover noticed not connected logic board, after disassembling logic, first thing saw efi chip intervened in logic board, after putting in place, surprise check temperature of processors, there no sensor or detected in application use, hard disk temperature , no fans detected in mac fan control, question is, real problem efi chip reprogrammed in logic board, mention above guy i sold logic board, indicated due generic magsafe , power center of mac failing, think i'm missing? advice 22711873_1590558704297824_82452891_o.jpg captura de pantalla 2017-10-21 la(s) 20.45.42.png captura de pantalla 2017-10-21 la(s) 20.46.31.png captura de pantalla 2017-10-21 la(s) 20.46.42-2.png
 



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