Display Problem ON and OFF

Question

MacBook Pro 15" Retina Display Mid 2012 Repair

2.3GHz, 2.6GHz, or 2.7GHz quad-core Intel Core i7 processor (Turbo Boost up to 3.7GHz) with 6MB shared L3 cache.

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My Macbook Pro Retina Display Mid 2012 turns on then turns off immediately. Restored my Macbook but still don’t work. Any help?

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Please explain more. Do you mean it starts with a loading bar, but turns off before the computer has started completely?

Yes, that's correct.

Have you recently done a system update?

No, I am unable to do it. It doesn't let me get in.

Please explain more. Do you mean it starts with a loading bar, but turns off before the computer has started completely? — Rany

Hreggviður Harðarson @hregg 声誉积分: 55 4 1 · Answer 1 · 2018-12-15T09:27:40-07:00

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You could try the troubleshooting methods I used to diagnose my problem here to get more detail about the issue:

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