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Question Can't determine CPU or MB is dead

Nov 26, 2019

So I spilled water on my PC, (half cup) right on top of PSU fan and fried the PSU immediately. I don't think there is water spilled on MB.

I found another PSU and tested, the CPU fan was turning at normal speed (no noise). There is no signal to the monitor. Before, every time I turned on the PC, the CPU fan roared. I don't have any thing to test MB sound, there is no LED on the MB, too.

Do you know know whether the problem is the CPU or the MB. Thanks,