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andrespi

Member
this macbook does not give video with a good screen, Could you tell me what measures to take initially, the fuse is good
 
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andrespi

Member
excuse me, it is other logic board problem.This logic board problem missing both image and backlight, not usb activity and not video external.This macbook turn on, fans Rotate normal, memory ram good, both slots ram memory is good
 
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2informaticos

Administrator
Staff member
How do you know RAM slots are good, if board doesn't boot?
Not always get classic beep errors, for RAM problems.

Do you have PLT_RESET_L high?
Any history fault available?
What is the CPU core voltage after 10s?
Did you try knoen good BIOS?
 
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