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ElectronicsQuestions | 10 months ago (raw) | root | parent | reply | flag +3 
 Oof. Sorry to hear that. The motherboard might be possible to save, the way Tico said, though I'd recommend a couple of more steps first to maximize the chances and avoid possible problems in the future: First, if it's installed, remove the BIOS battery as soon as possible, to minimize any electrolysis corrosion, then rinse the board with distilled water to get off any salts or dirt in the flooding water, that otherwise later might absorb moisture from the air and start conducting, then put it to dry according to Tico's instruction.
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TheGuySwann | 10 months ago (raw) | root | parent | reply | flag +3 
 It hasn’t had anything installed on it yet, so it’s about as “fresh” as it gets. I have it sitting in front of my miner downstairs to dry along with a bunch of books that might be salvageable.
 
Hopefully the water was clean enough that it isn’t a problem and it boots up fine when I get the other machine back together. The other things related to that with water damage are mostly my stack of silent fans that were going into my computers and my S9 for the space heater. The S9 is an old beast so maybe it’ll start back up fine as well.

I’m hoping that many of the things that ended up in the water might still be recoverable.
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MrMik | 10 months ago (raw) | root | parent | reply | flag 
 A miner is an excellent way to help dry out all sorts of stuff, as you know. 
I'd probably arrange it to suck in outside air and pressurize the wet rooms, venting moisture out through windows.
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ElectronicsQuestions | 10 months ago (raw) | root | parent | reply | flag 
 Yeah, I wouldn't worry about the fans, usually it's not much more than a Hall effect sensor and a couple of transistors in them, IIRC. Depending on bearing type, there might be places that trap water though, potentially causing rust if it remains, so I'd shake them thoroughly in different directions and let them dry for an extended time.