Model A1502 / 2.4, 2.6, or 2.8 GHz dual-core Intel processor / Released October 2013

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Black screen after display assembly replacement

So I changed my rMBP screen for the second time and I can't get it to work. Boots to a black screen, works well through HDMI. FaceTime camera works as well. Tried putting back the cracked screen and worked well. I tried installing it through the iFixit guide. Everything is well connected. What could I be doing wrong?

Help please :)

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Did your replacement screen come in the aluminum housing? You say the old, cracked screen works before and after the replacement of the "new" screen?

You may have a failed replacement screen.

You should also check the male and female screen connectors. The connectors are very delicate and will be damaged if pressure is improperly applied. The connection pitch is narrow enough that this is not always visible to the naked eye. If you have access to a good magnifying glass, or even better, a 10X loupe, inspect the connector and cable carefully.

This also applies to any other connector you played with during the process.

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I think the problem here is the LVSD connector. I asked for a return in Amazon and the seller told me to try cleaning the LVSD connector with rubbing alcohol . Shoud I try it?

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You didn't say if the new screen came with the aluminum housing and LVDS or if it was a frameless LCD and you are using your existing LVDS. You have too many variables here, you need to isolate something as known-good or reasonably-certain-that-it-is-good.

Did you inspect the LVDS with a loupe?

Of course, as a best practice, you should always wipe down a connector before connecting it back because your skin oils can cause problems in certain circumstances.

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