Question Spilled a tiny bit into my pc

Apr 5, 2019
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I recently bought new motherboard, cpu and ram and last night my screens went black after i spilled some water. I looked through the case as much i could and found this: View: https://imgur.com/gxBBCTy

I got a tip to remove it with alcohol and bake it in 70C/ 160f. Should i do as he Said or buy a new Motherboard?

The reason water got in is cause the top is open you could say due to a water cooler that i had for 4 years.