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You should open it up, take out those switches (at a minimum) and clean up the outside of everything. It looks like a mechanical keyboard with standard Cherry MX style switches so you can swap damaged switches to keys you hardly use like function keys and buy a few new switches.
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Replying to and
There's probably residue on the board short circuiting it and maybe on the switch contacts, etc. Definitely stop using it right away and get it opened up and cleaned up well. Use 99% isopropyl alcohol. I wouldn't bathe the switches in it because it'll screw up the lubrication.
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Replying to and
If you do need to replace some, you need to figure out if it's a plate (high end) or PCB mounted switch keyboard: mechanicalkeyboards.com/shop/index.php mechanicalkeyboards.com/shop/index.php I doubt you need to replace them though. It's very likely just minor short circuiting on the board underneath.
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