Pop noise. Turns on, but keeps restarting. Mobo failure?

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nIXne

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Oct 12, 2014
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Hey all.

First off, I'm going to preface this with the fact that I am a complete idiot. Basically, I accidentally spilled a teeny bit of water on the top of my case. My fans and my radiator are on top of my case. I figured, eh, there shouldn't be any problems. It was just a drop of water.

10 minutes later my computer turns off. So yeah. I try turning it back on, all I hear is a click. Nothing happens. I try one more time, and it actually turns on! However; there was a loud pop noise. Yep, I should've waited.

Now all it does is turn on and restarts. Blank screen, though it seems like all my other components are detected? (LEDs on GPU and RAM are on, water seems to be pumping (I think... I see my tubes move a bit when it turns on.)) Though the LEDs on my keyboard and mouse don't light up.

So, I figure this is a possible MOBO failure? Though I don't see any capacitors blown. I don't think it's my PSU though, since it actually turns on. What do you guys think?

Also side question: If it IS my MOBO, anyone knows how the RMA is like for Asrock? Though I doubt I'll be able to, due to the fact that the cause was negligence.... :/
 
Solution
ronintexas
A popping noise can be a capacitor or solid state device frying. At this point, I would suggest "breadboarding" your computer (take everything out of the case) - and connect them on a table top (not in the case). Start with PSU, mobo, CPU and RAM only (no GPU, no drives, no PCI cards). Use onboard graphics to a monitor.

Since your PSU powered another mobo, I would suggest replacing the mobo - but before you do - make sure with the breadboarding of the system.
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ronintexas

ronintexas

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Water can create a short circuit on any component that it landed on.....and if anything was in the water (i.e. sugar or other additives), those can be crystallized and create more of a problem....

You need to ensure that all components are completely dried out before using them.....until then, only bad things can happen....
 
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nIXne

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Oct 12, 2014
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Is it really the PSU? If it is, then it shouldn't turn on, right? But it is turning on... with a black screen. I'm really not sure which one I should look into replacing at the moment. I can't even test the components since I don't have spare parts either. Is there anything else I should be looking for?
 
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ronintexas

ronintexas

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Dec 10, 2012
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It could be any of the components - water and computers do not mix, and powering them on immediately after a spill = damaged components....If a PSU is short circuited, it can still produce power - it may not be the right amount - which creates problems....the PSU short circuit could have damaged any or all of your components....as incorrect voltages sent to the parts can fry them. The only thing to do is WAIT UNTIL IS IT COMPLETELY DRIED OUT - this can take days......and the first thing I would try is replacing the PSU.
 
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nIXne

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Oct 12, 2014
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I managed to test my power supply using spare parts, and it seemed to be working fine. I was able to boot up another computer just fine. I may actually attempt to replace the motherboard first. A popping noise can only be a blown capacitor, right? And that can only be either the motherboard or the PSU, correct?

Can anyone correct me on that?
 
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ronintexas

ronintexas

Judicious
Dec 10, 2012
5,911
0
32,960
A popping noise can be a capacitor or solid state device frying. At this point, I would suggest "breadboarding" your computer (take everything out of the case) - and connect them on a table top (not in the case). Start with PSU, mobo, CPU and RAM only (no GPU, no drives, no PCI cards). Use onboard graphics to a monitor.

Since your PSU powered another mobo, I would suggest replacing the mobo - but before you do - make sure with the breadboarding of the system.
 
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