The usb-c port doesn’t trasfer data.

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iPad Pro 11インチ

2018年11月にiPad Proラインに加えられました。モデルナンバーはA1980です。

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NiccoloMartini @niccolo96

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投稿日: 2024年2月13日

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The usb-c port doesn’t trasfer data.

I recently changed the usb-c port of my iPad because it was faulty, moving the cable would interrupt the charge and the data connection, before the replacing I tried to scratch the connection line on the original usbc port trying to fixing it but it made it worse, the iPad wouldn’t connect anymore. Then I decided to be fearless and take apart it to change the port. Now the iPad charges well but doesn’t connect to the usb, nor hub. Seems data doesn’t transfer. What could it be the problem?

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Jerry Wheeler @dadibrokeit

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投稿日: 2024年2月13日

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I'd suggest double-checking the FPC plug going from the USB port to the motherboard. If it's not fully seated you could conceivably be getting power connections but not all of the pins making contact meaning the data connection's not working. Unplug it and check both sides for bent or broken pins; use a magnifying glass and a bright light. Bent pins can sometimes be straightened with some fine tip tweezers, but of course broken ones are more problematic.

Clean both sides with 90% or higher concentration of isopropyl alcohol and reconnect then see if it's working before you button everything back up. If it's still not working and you still have the original port, try plugging that one back in and see if the problem persists. If that fixes it, you'll need to get in touch with the iFixit Store people for a replacement part. I know they try to do their best to provide the highest quality parts possible, but it's just a fact of life that sometimes they get shipped a bad apple.

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Ok, soon I’ll try. Thank you for your time

NiccoloMartini さんによる2024年2月13日

i tried and i got the same resoult with the original port. im starting to think i fried something when i attempted to fix the original port by scraping the contacts. could be the usb contrller chip?

NiccoloMartini さんによる2024年2月14日

@niccolo96 Yeah, that's a possibility; the 5V that is present on the power pin can easily be shorted over to one of the other data pins if you use a metal/conductive tool on the pins without disconnecting the battery.

I'm afraid I've reached about the limit of my expertise on your iPad, so unless someone else pops up with more suggestions, you may be at the point where you'll have to get a professional technician to take a look at it.

Jerry Wheeler さんによる2024年2月14日

Thank you for the time you spent helping me.

I’ve reach the end with this iPad. For what I remember it stopped working when I connected it to a pc, the USB-c port connector was destroyed, I think somehow when I connected it some traces got connected together and fried the usb-c chip.

NiccoloMartini さんによる2024年2月14日

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i tried and i got the same resoult with the original port. im starting to think i fried something when i attempted to fix the original port by scraping the contacts. could be the usb contrller chip? — NiccoloMartini
@niccolo96 Yeah, that's a possibility; the 5V that is present on the power pin can easily be shorted over to one of the other data pins if you use a metal/conductive tool on the pins without disconnecting the battery.

I'm afraid I've reached about the limit of my expertise on your iPad, so unless someone else pops up with more suggestions, you may be at the point where you'll have to get a professional technician to take a look at it. — Jerry Wheeler
Thank you for the time you spent helping me.

I’ve reach the end with this iPad. For what I remember it stopped working when I connected it to a pc, the USB-c port connector was destroyed, I think somehow when I connected it some traces got connected together and fried the usb-c chip. — NiccoloMartini

Dan @danj 評価: 479.4千 Self employed contract worker 35 329 971 · Answer 1 · 2024-02-13T08:41:30-07:00

Dan @danj

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Some USB-C cables are not fully wired intended for power not data.

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I bought the spare part from ifixit, i don’t think is a limited usb-c, nor there was written anywhere.

What could it be?

NiccoloMartini さんによる2024年2月13日

@niccolo96 - There are different aspects here to consider. The physical connector on the device (USB-C) and what the communication protocols it supports. The USB consortium also fumbled! Adding a bit of confusion into the mix as well. To simplify things here the protocol is strictly USB 3.0 support, the connector use creates the confusion of offering USB-C performance as well as many people assume it’s Thunderbolt-3 which it isn’t! The newer generations offered better protocol and performance support.

The issue here is not all of the pins are wired for data so you do need to be mindful of the cables abilities and what it are trying to connect to.

So maybe we need to get a better idea what you are attempting to do.

Dan さんによる2024年2月13日

Mmm, I bought the part number EU323045-2 , the description says that’s compatible with my iPad, the name says third generation which the iPad isn’t.

Regarding of cable I’m using, I’m using a usb 3.0, but anything related to data transfer does work. USB hub doesnt get recognised. USB-c DAC are not recognised. Connecting an iPhone with usbc to lightning doesn’t make the iPad recognise it. I can only use chargers, fast charging does work

NiccoloMartini さんによる2024年2月13日

@niccolo96 - So the issue then is within the replacement part. This was a working setup before you swapped out the connector correct? If the connector is not the issue then it could be when you tried cleaning things did you power down the device before you scraped the contacts?

Dan さんによる2024年2月13日

i couldnt really shut it down, the ipad got some software issue and when shoutting down it would start itself up again, that's why i wanted to change the port. i solved the software problem by upgrading the OS, but this was after the replacement part, I’m starting to think that something could have been fried between the scratching part, and it's behaviour. i tried taking apart the ipad onther time and connecting it it's original port and i get the same behaviours. could be the usb contreller chip to be fried?

NiccoloMartini さんによる2024年2月14日

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