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原帖由: Jamie Vidamour ,

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I opened my late 2013 27 in iMac to replace the broken hdd earlier this week and when I put things back together the screen stayed black (4th diagnostic light isn’t lit either,) one of the pins was bent on the vsync cable so I bought a replacement but still the screen is black. I was very careful with the screen, used the ifixit tool etc.

Any ideas?

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