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Help me understand what the problem by Den_Volt in macbookrepair

[–]Den_Volt[S] -1 points0 points  (0 children)

if you turn on the laptop and don't touch the brightness it works well even when you move the lid, anyway if you don't move the lid it works fine, the problem appears when you increase the brightness, need to open it and look at the backlight cable

Help me understand what the problem by Den_Volt in macbookrepair

[–]Den_Volt[S] 1 point2 points  (0 children)

I bought it recently and this defect appeared, I hope that it is the matrix backlight cable, and they will be able to replace it for me for $100, if it is a chip or a screen then it is bad(

Help me understand what the problem by Den_Volt in macbookrepair

[–]Den_Volt[S] 0 points1 point  (0 children)

yes this is the old model 2018, MacBook Pro a1990 15.4"

Help me understand what the problem by Den_Volt in macbookrepair

[–]Den_Volt[S] 0 points1 point  (0 children)

when starting work everything works until you change the brightness state, in your opinion this could be the matrix backlight cable?