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Released in July 2018, the 15" MacBook Pro, model A1990, features a 15.4 inch LED-Backlight display with True Tone technology, TouchID, and up to 6 Core i9 Processor.

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MBP 15 2018 A1990 Water damage Repair

Here's what happened: water entered the connection between the screen and keyboard of my MacBook Pro. The power button has stopped functioning. I have to resort to using the charger to turn on the MacBook.

Furthermore, even when connected to the charger, it's challenging to turn it on, as after about a hundred attempts, the MacBook starts charging from one of the ports and only then powers up. I've changed outlets and cords, yet it seems like the MacBook randomly chooses when to recognize the charging.

After several hours of inactivity, the MacBook cannot be quickly turned on by opening the lid. Instead of a swift startup, the Apple logo appears, and the boot-up process is akin to turning on the MacBook after a prolonged power button press.

Additionally, in the battery settings, a message "service required" has appeared.

But now MacBook doesn’t boot up anymore.

USB C meter shows stable 20v and unstable low amount of current like 0.003A-0.129A.

I cleaned come corrosion but some really small amount is still around capacitor CA903, I could not clean it totally with isopropyl and cotton buds. Also I located only 2 very small corrosion areas.

Photo I took before cleaning.

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What does the other side look like? Try a little white vinegar, just make sure you wipe the area down with some water (distilled water is best).

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Ouch! Not good😩

Sure from the outside things look good, but if you really looked inside you’ll see a mess!

The question is how far and skilled are you in fixing your own system? This will take a lot of different skills as you will need to disassemble the system quite far to even evaluate how bad things are. Clearly you will need a new battery and depending on your skill level you will likely need micro soldering skills and access to the needed replacement SMD devices which are damaged or just bite the bullet and replace the logic board, which at that point I think will be more than you would want to spend repairing this system.

So… if you want to dive into the deep end you’ll need to spend sometime reviewing the guides and opening the system up carefully removing the logic board out so you can inspect both sides. Post some nice clear detailed images here so we can see the areas that are damaged so we can see what’s needed.

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