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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 A2337 or EMC 3598.

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About corrosion from a year back ago

Actually i have a spilled a salty based solution like liquied that contain some salt on my macbook air m1. And after a year i opened it to clean and found some corrosion between the connector top steel and the protection sheild of that connector which is about 2mm^2 in area and also some tiny spot of corrosion on a screw of that protection shield as its been a year the MacBook working completely fine even I wouldn’t even know if i didnt opened ir i just wanna as had not cleaned it and the corrosion is one the display pcb connector which goes up to the diplay and i just wanna know is it really a problem is it gonna spread or gonna kill my mac

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Corrosion can behave like a fungus and it can potentially spread depending on the climate and conditions etc..... Cleaning it up with some 90%+ alcohol is a good idea but it can come with some risk as the corroded areas / parts will likely be quite fragile or at least have a more fragile connection, so extra care is necessary. Have a backup plan in case the laptop didn't work after the cleanup, but at least you will know which areas are affected and may require attention ie: fresh solder or in the worst case the need for some replacement components. Ii will be interesting to see what others may suggest on this, salt and sugar are a motherboards worst wish. Good luck!

@danj @oldturkey03

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Salt even in a weak solution when it dries absorbs moisture in the air reactivating, and depending upon what it was spilled on and with can be very tricky to clean up initially and then overtime, we'll eat away the exposed metal surfaces. Sugars and starches allow fungus and mold to grow, and it too will pull moisture out of the air to help feed itself, slowly eating away what it can.

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@danj Exactly.

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