Only one of two USB-C ports is taking a charge when plugged in.

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MacBook Air 13" Retina Late 2020 (M1)

Repair guides, support, and troubleshooting information for the first 13-inch MacBook Air to feature Apple's ARM-based M1 SoC (with an 8-core CPU and up to an 8-core GPU). Released in November 2020 and identified by model numbers A2338 or EMC 3598.

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jjreynol @jjreynol

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Опубликовано: 16 сен 2024 г.

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Only one of two USB-C ports is taking a charge when plugged in.

Earlier this year, I submitted a post on this site about my MBAir M1 dying a few days after spilling red wine on the keyboard. I was unable to charge it or start it up. The battery had completely discharged. That was six months ago. I put the MBAir aside until recently and it now takes a charge through only one of the two USB-C ports. The battery has now fully charged for the first time since the wine incident. Other than the non-functioning USB-C power port, the MBAir now appears to be mostly functional.

Just to be sure, I recently ran the Apple Diagnostics offline and it returned two codes and explanations, PPP020 and PPP001, No power adapter was detected, There may be an issue with the power port. The MBAir was plugged and charging during the diagnostics test. Also ran the general diagnostics online with a secondary iMac and it alerted me to a Power Port issue, No power adapter was detected. It asked me to connect it to power and run the test again.

Separately, I tried to connect peripherals to either of the two of the USB-C ports; (1) a wireless mouse with a dongle and (2) a wired external hard drive. They do NOT connect.

Bottom line appears to be that I have a mostly functioning MBAir. Only one of two USB-C ports is taking a charge. The diagnostics test is not detecting any power even though it is connected in the functioning USB-C port. I am unable to connect any peripherals.

I am generally okay with continuing to use this MBAir as a secondary computer under these conditions. I am open to attempting a repair unless there is a significant risk. Any thoughts about my situation would be appreciated. Thanks.

See you new images of logic board (posted 10/3/2024)

Update No. 1:

Thanks for the suggestion to replace the replace the USB-C board. I just replaced it with a new USB-C board by following fixit guide steps to the letter. Unfortunately, nothings has changed. Only one of two ports takes a charge and neither port will connect a peripheral mouse. Does anyone have a suggested next step? Thank you. PS I am still trying to post my pictures of the inside which seemed very clean to me.

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@jjreynol I'd consider replacing the USB-C board MacBook Air 13" Late 2020 USB-C Board Replacement and then re-evaluate. Also, you do want to consider posting some good picture of your logic board with your Question. That way we can see what you see and possibly identify other, Red Wine related issues :-)

Adding images to an existing question

16 сен 2024 г. из oldturkey03

@jjreynol there are a few things you can do yourself. First off, clean your board. Get some high grade isopropyl alcohol (anything around +92% will work). Now, clean your board with a soft brush (new soft toothbrush will work) and clean your board. Use something like this guide. Even so it was written for an Apple iPhone 3G, all the points are still pertinent to your phone. Yes, it does have a good amount of corrosion on it but it does look fixable. You do see those two "white" components just left to the IC's (USB-C controller IC's)? Those are the power fuses for the ports. I somehow think those might just need replacing :-) Clean the board and give us another well-focused look at it via a new picture :-). I am certain we can guide you further.

3 окт 2024 г. из oldturkey03

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DanJ @danj

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It sounds like the USB-C port connector is messed up. It could be just dirt or corrosion and might only need a bit of cleaning. Otherwise it’s time to replace the port assembly MacBook Air 13" (Late 2018-Late 2020) USB-C Board

Now the fun part! Getting it out, follow this guide MacBook Air 13" Late 2020 USB-C Board Replacement

Hopefully the Wine only effected the port assembly.

@jjreynol - Well that sucks! More often the ports fail. Sadly, this is a deeper issue within the logic board power logic. This will require a good understanding on micro electronics using schematics and board view drawings to trace out the power rails to see which ones are not working and what components are damaged, lastly finding them and replacing them.

If you can post a few pics of both sides of the logic board maybe we can spot something. Make sure you have good lighting and the pics are in focus.

This might be better handled by someone who already has experience. A good independent Mac repair tech should be able to fix you up. Can you tell us where a-bouts you live maybe we can aim you to someone. Just give us the country and nearest major city to you.

Replace a dirty, corroded, or damaged USB-C connector board from the left side of your laptop. This part is compatible with a Late 2018 to Late 2020 13" MacBook Air. Part #820-01161, 821-01658. Изображение

Товар

MacBook Air 13" (Late 2018-Late 2020) USB-C Board

$19.99

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Thanks DanJ. I have reached the logic board and have posted pictures of the logic board at the end of my original post. To my untrained eye, it seems clear that the spill indeed made it to the logic board with white/grey stains near the USB-C end of the logic board. The last two pictures were taken before and after I did some gentle cleaning of that area of the logic board with the ifixit cleaning kit. I am not sure if this was helpful or damaging.

I live in the USA, state of New Mexico (NM). Nearest major city is Albuquerque, NM. I live in Santa Fe, NM, about 50 miles from Albuquerque.

3 окт 2024 г. из jjreynol

@jjreynol - Sorry don’t know anyone in Santa Fe, but there are a few repair shops in Albuquerque iRepairNM carefully put the system back together and bring a picture of the corrosion damage so he has a better idea what’s gotten damaged.

I’ll worn you this will take a bit of luck to get working as that still looks like a lot of damage. Consider the costs of the repair Vs replacement. Hopefully you have a backup of your important stuff, if not maybe they can piece the system together long enough to pull the data off. So have a external drive handy that has enough space to hold what you have on the drive.

3 окт 2024 г. из DanJ

Thanks again, Dan. Thankfully, the data has already been transferred to another computer. I thought this would be a long shot. At least, it was an interesting learning experience. John

3 окт 2024 г. из jjreynol

@jjreynol - Well that’s good having a backup of your data. Maybe when you go down to Albuquerque to an isotopes game take the system to see if they can give you an idea what it will cost to fix. I do miss the red mountains and Cottonwood fuzz and the yellow Aspen leafs of the fall. If your set, don’t forget to accept the answer, thanks!

3 окт 2024 г. из DanJ

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@jjreynol I'd consider replacing the USB-C board MacBook Air 13" Late 2020 USB-C Board Replacement and then re-evaluate. Also, you do want to consider posting some good picture of your logic board with your Question. That way we can see what you see and possibly identify other, Red Wine related issues :-)

Adding images to an existing question — oldturkey03
@jjreynol there are a few things you can do yourself. First off, clean your board. Get some high grade isopropyl alcohol (anything around +92% will work). Now, clean your board with a soft brush (new soft toothbrush will work) and clean your board. Use something like this guide. Even so it was written for an Apple iPhone 3G, all the points are still pertinent to your phone. Yes, it does have a good amount of corrosion on it but it does look fixable. You do see those two "white" components just left to the IC's (USB-C controller IC's)? Those are the power fuses for the ports. I somehow think those might just need replacing :-) Clean the board and give us another well-focused look at it via a new picture :-). I am certain we can guide you further. — oldturkey03
Thanks DanJ. I have reached the logic board and have posted pictures of the logic board at the end of my original post. To my untrained eye, it seems clear that the spill indeed made it to the logic board with white/grey stains near the USB-C end of the logic board. The last two pictures were taken before and after I did some gentle cleaning of that area of the logic board with the ifixit cleaning kit. I am not sure if this was helpful or damaging.

I live in the USA, state of New Mexico (NM). Nearest major city is Albuquerque, NM. I live in Santa Fe, NM, about 50 miles from Albuquerque. — jjreynol
@jjreynol - Sorry don’t know anyone in Santa Fe, but there are a few repair shops in Albuquerque iRepairNM carefully put the system back together and bring a picture of the corrosion damage so he has a better idea what’s gotten damaged.

I’ll worn you this will take a bit of luck to get working as that still looks like a lot of damage. Consider the costs of the repair Vs replacement. Hopefully you have a backup of your important stuff, if not maybe they can piece the system together long enough to pull the data off. So have a external drive handy that has enough space to hold what you have on the drive. — DanJ
Thanks again, Dan. Thankfully, the data has already been transferred to another computer. I thought this would be a long shot. At least, it was an interesting learning experience. John — jjreynol
@jjreynol - Well that’s good having a backup of your data. Maybe when you go down to Albuquerque to an isotopes game take the system to see if they can give you an idea what it will cost to fix. I do miss the red mountains and Cottonwood fuzz and the yellow Aspen leafs of the fall. If your set, don’t forget to accept the answer, thanks! — DanJ

MacBook Air 13" Retina Late 2020 (M1)

Only one of two USB-C ports is taking a charge when plugged in.

Update (09/26/24)

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Update (09/28/24)

MacBook Air 13" (Late 2018-Late 2020) USB-C Board

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