screen is dead. what happened?

When I restarted my watch the screen turned white then to a bunch of green pixels. I wash wearing it when I was mowing the yard. Could sweat mess it up? But I've worn it all the time like that. How can I fix it?

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

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crwdns2889612:0crwdne2889612:0 0
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