I spilled liquid on my desktop and now it's being weird.

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megatrek69

Jun 16, 2018
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So 2 days ago j accidently spilled a bit of liquid on my desktop. I powered it off and cleaned it out. Hours later I turned it on again and it seemed to work fine until I realised the display wasn't coming on at all and the usbs weren't working properly. The mouse light on the bottom comes on but very faintly as if it didn't have enough power. The keyboard doesn't seem to come on at all, the speaker work when I plug in the usbs and so does my lamp. IT seems that the usbs are working but they're not providing enough power. The fans and all else seem to work fine except the usbs and the display. I though the motherboard could be the problem but since the mouse turn on fairly I though maybe the power supply is faulty.
 
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Aeacus

Aeacus

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If your PSU would be an issue then you wouldn't see any life out of your PC at all. At this point, it looks like you have a damaged MoBo.

MoBo replacement would be minimum. If any liquid got into your PSU then PSU replacement would also be in order.
 
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megatrek69

Jun 16, 2018
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But if that were the case no USB would work right?
I can tell the mouse gets some electricity as it turn on but the light is very dim so it seems like it's not enough power. And if I plug in my lamp or my led mousepad they work. IT seems like only the lower consumption usb are working
 
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Aeacus

Aeacus

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It's the MoBo's job to tell PSU how much power it needs at any given time. PC doesn't work the other way around where PSU feeds all it's capable of to MoBo and MoBo returns the amount not needed.

Also, damaged MoBo means it's partly working. Dead MoBo is the one that doesn't work at all.
 
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Aeacus

Aeacus

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You can dry your MoBo as much as you want, it won't fix the damage.

As far as repairing the MoBo goes, you need to know for certain where the damage is located.
E.g if it's blown capacitor (their top end bulges up when they go bad), you can replace the blown capacitor, provided that you have a spare capacitor with same specs. Also, capacitor replacement requires soldering.
But if the damage is within PCB, you won't repair that. Only fix is to get a new PCB which in an essence is new MoBo.

For a small glimpse of hope; if your PC has dedicated GPU in it and you're running Intel chip, unplug your GPU and connect your monitor directly to your MoBo. With a lot of luck, you could get your monitor to show some image. But if you're running AMD build then you need 2nd GPU for the same trick.
 
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