lid open problem: could not open more than 90 degree
This wired problem just came since yesterday:
when I slowly open the lid, the screen light up and my macbook pro wakes up as usual. I can log in, do normal stuff. However, if I continue to open the lid and by pass 90 degree, the screen turned to black, while the rest (keyboard, touchbar) is still working and I'm sure that the mac is not sleeping. Just the screen went off.
Anyone have any clue on how to diagnose the problem/resolve it?
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