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Put it through the ultrasonic, I don't have a sweep mode so it was just normal with a proper PCB cleaning fluid. Touch wood it seems fine. Left it open for 2 hours earlier playing some music and it was still on when I came back. Usually it was lasting 20 minutes max before. Thanks for your advice!

Hi all, I have an 820-3437 Macbook Air board which was water damaged. I have managed to get the Macbook to a state where it passes everything in ASD and boots into the OS as you would expect. It boots into the OS a little slowly (progress bar gets to about 60% then stalls for a while then...

I disconnected everything, leaving just the fans and tried a usb drive. Still nothing! Am I looking at replacing the whole board to get this thing working? Do people replace CPUs in Mac boards or is it generally a lost cause at that point?

Yeah sounds like it! As far as troubleshooting goes, have I got any options for getting closer to the problem or is it just a case of trial and error? EDIT - Sorry, this was a really poorly worded question. I don't know where to start looking, could you suggest a starting point that I can look...

Yeah nothing on the USB mouse, tried both ports and no dice!

There are no obvious signs of corrosion, board looks clean in the U7310,20,30 region.

A glass of water was spilled over the keyboard whilst the computer was open apparently. I've tested with just the screen nothing else, screen and keyboard and then screen with everything plugged in.

Hi all, I have an 820-3662-A board from a 2013 Macbook Pro Retina. It has a light on the charger and fan spin, however I get no chime and no image or backlight on the screen. The board was water damaged but there is very little corrosion, most of it on the I/O board. I have tested the 5V, 3V and...