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MacBook Pro 2014 display black - external display works

Hello --

My macbook pro screen has been cracked for a long time. Today I finally replaced it, and to my dismay it booted to black. The fans and startup sounds all seemed fine.

1. I replaced the old screen; still black.

2. I tried an external display through HDMI - works fine.

3. I ran diagnostics. It didn't help. Just said there might be a display problem - to take it to Apple for diagnostics.

4. The camera on the display works. If I access it through the HDMI, it turns on okay.

5. I tried to read the error message that was on the screen when I could finally access it through HDMI. I couldn't understand it. It starts with: " Panic Report

panic(cpu 6 caller 0xffffff80102065ea): " and on and on...

I want to diagnose the problem even if I have to take a professional in to fix it. I prefer not to be ignorant of the device I so depend on.

PLEASE HELP ME FIGURE OUT -- What are the most likely causes for this problem?

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Ouch! When something burns its never a good sign ;-{

Can you explain why you needed to replace the screen and what was the steps you took to find the replacement part.

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Thanks for your answer! This is bugging the !&&* out of ms because I don't know where the problem is!

The screen was cracked. It's been needing a replacement for a while now.

The Mac works on an external display. The camera works. Reconnected the old display: doesn't work anymore.

Any ideas?

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It could be this or that!

Really need more basic info what is your exact model? Apple has made many different versions. Also need to know what you put in as a replacement.

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Frieda Vizel さん、ありがとうございました!
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