The MacBook Pro boot screen is not bright today, everything else is fine, the keyboard is also bright, the sound software is fine...

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The MacBook pro fell off the cabinet two days ago. After turning it on, I found that the screen was not on, and the rest of the keyboard lights, startup sound, and the logo on the back of the display were also on. I have tried many methods on the Internet to no avail.  

Related questions

There are two possibilities:

1. It may be that the screen cannot display images due to loose screen cables.

2. It may be that the motherboard is damaged, causing the screen to fail to display images.

 I took it to Huaqiangbei for inspection, and it turned out that a crystal on the motherboard was damaged, and it took 580 oceans to repair it.

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First link: https://www.cnblogs.com/lingyejun/p/17523264.html

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転載: blog.csdn.net/lingyejun/article/details/131526869