2.5 GHz dual-core Intel Core i5 processor (Turbo Boost up to 3.1 GHz) with 3 MB shared L3 cache.

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MacBookPro 13" Retina beeping 3 times a1425

I bought a second hand macbook pro retina 13". It looks like great, but if i want to start, it is beeping 3 times. It was water damaged, but I try everithing. Pcb cleaner, heating, but just beep, beep, beep..

The dc-built in adapter was not damaged, just the mainboard water indicator what is red, and its charging

Can i change the ram modules, or reball?

Somebody met with this problem whit this mac?

Answered! View the answer I have this problem too

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Chosen Solution

With liquid damage, this is usually caused because there is some liquid under the RAM chips. Had a couple of Air's before which would beep when doing an NVRAM reset, resolved with an ultrasonic clean. Scrubbing the board will not help, take it to someone with a good ultrasonic cleaner, so it will submerge and clean under the chips.

It is possible to remove, reball and even replace the RAM chips with one from a donor board, but it is not fun, and you will need to know which one is causing the problem. If you have never done that before, I wouldn't recommend it.

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