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The wi-fi only version of Apple's iPad Air, model number A1474. Available in Space Gray or Silver, it packs the custom A7 processor and ships in 16, 32, 64, and 128 GB configurations.

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Ipad Not powering on after screen replacement

My iPad worked perfectly fine but the screen had a small hairline crack so I replaced the digitizer and when I tried to turn on the iPad after I finished it didn't boot up I checked to make sure all the cables are connected and the screws are I've tried connecting it to iTunes and nothing shows up. I think this is because I forgot to turn off the iPad before the repair also when the iPad is charging I can hear the motherboard making a high pitch noise it gets louder the higher the power of the USB is it is barely noticeable when the iPad is connected to a usb 2 port but it gets a bit louder when connected to a usb 3 port.

If anyone can help me that world be amazing

Thank you

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Based on what you say, it appears the logic board was damaged. The iPad should boot up without an LCD and Digitizer so if it is not being recognized by iTunes, then the issue is most certainly on the logic board (check you cable and computer with another device just to be certain).

It’s very important to isolate the battery from the logic board when doing repairs. The typical issue is usually the backlight circuit but just about anything can go sideways.

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Ahmed Abdul-Qader estará eternamente agradecido.
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