What happens if there’s a tie in a state in a Presidential election?

[SteveRogers]

Also, y'all can make this thread a thousand times, and I'll keep making the same dumb, increasingly out-of-date reference:

Also, my understanding of the law in New Mexico is that in the event of a tie the state's electoral votes are determined by Kevin Costner, and hilarious hijinks ensue as both Presidential candidates attempt to personally woo him for his vote.