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No picture after top assembly replacement

Macbook air 13" A1502 emc 2835

I had a broken screen. Could still see picture a bit not really applicable to do work so I had to fix it, keyboard lit....etc. After top assembly replacement no picture, no keyboard light. I made sure before I unplugged any connections I powered down machine, unplugged device, and disconnected battery.

I even tried connecting old assembly back to see if it was a malfunction with new part but still no picture or keyboard light.

This repair is pretty straightforward.

Is there anything I can try?

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Thanks for the reply, I will try that tomorrow.

Just another quick question, if it does not generate a signal on an external monitor what are my options after that?

CluelessInSeattle さんによる2017年3月12日

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投稿日: 2017年3月12日

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Hook it up to an external monitor to see if the GPU is generating a signal first. Then go through the installation again making sure of the LDVS cable connection to the logic board. Then reset the PRAM:

P,R, Command & Option keys on restart. Let it tone three times.

MacBook Air 13インチ Early 2015 ディスプレイアセンブリの交換

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It's putting out a signal to an external monitor I did reset the P Ram but still nothing. The keyboard is not lighting up either

CluelessInSeattle さんによる2017年3月13日

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MacBook Air 13インチ Early 2015

No picture after top assembly replacement

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