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macbook pro no display

https://indiarefix.in/viewtopic.php?f=14&t=7085

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macbook pro no display

Posted: Sat May 26, 2018 10:36 am
by satish panchal
my logic board is 820-3115-b
i have to try bios flash but not display appear....
.when i plugged a adapter then automatically power on..
i unplugged battery....

Re: macbook pro no display

Posted: Tue May 29, 2018 5:29 am
by ganeshcell
Sir in Macbook if we connect adaptor without battery it power on automatically.its usual
sir can u hear bootup sound when powering?

Re: macbook pro no display

Posted: Tue May 29, 2018 7:45 am
by satish panchal
when i plugged a charger..then fan spin but no display appear
and no any boot sound..
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