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2.2 GHz (Turbo Boost up to 3.4 GHz), 2.5 GHz (Turbo Boost up to 3.7 GHz), or 2.8 GHz (Turbo Boost up to 4.0 GHz) quad-core Intel Core i7 processor with 6 MB shared L3 cache.

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MacBook Pro 2015: Blank screen after screen replacement?

I've just replaced the screen on a macbook pro 2015, with a second hand screen.

You can hear the device booting up but there is no display. Unfortunately I followed a youtube video that never mentioned disconnected the battery - wish I'd done more research so I'm worried components are fried. The macbook was powered off.

Is there a way to know if the screen is functioning as it was second hand?

I was considering attaching the old broken screen to see if it still displays incase I've fried some components.

Thought I would ask here before I done anything else, really appreciate some advice on what to do next.

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Use a flashlight shining it though the Apple Logo, do you see the faint image of your desktop and its icons?

If you do then the backlight power circuit needs repairs.

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Yeah that's what has happened, what I get for blindly following youtube. I'm not up to soldering on small circuits. Do you know how much I'm looking at to fix? Thanks for you reply.

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@scott kerr - It all depends! It could be as simple as a blown fuse, or it could be much deeper!

Try to find an independent repair shop who has Mac experience and micro-soldering skills locally.

Can you tell us where you live maybe we can aim you to someone. Country and nearest major city.

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