Screen becomes totally black, why? (backlight still works)
The screen of my Macbook Pro 17" (from 2007) sometimes turns totally black. This is really at random moments. Sometimes only for a second, but most of the times it lasts several hours. The backlight of the screen still works perfect, but nothing appears on the screen.
Even when I restart my MacBook, the screen maintains black. Sometimes the screen start to work properly again. But it never lasts for a long period.
I went to a shop and they said it would be the motherboard, but they couldnt say it with certainty. They said a new motherboard is around 500-800 $.
Does anyone knows what could cause this black screen?
And how I can solve it?
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