take off the battery, or anything else that is removable.Look which side has the biggest holes (most ventilation, and put it upwards.
put the laptop in this position, preferably next to a window in direct sunlight, or in another dry but warm place.
leave it there a couple of days.
If you think that some places within the laptop didn't have the chance to evaporate, place the laptop in an more appropriate position, and leave it there for a couple of days too.
With water, it will usually survive, but canada dry, I'm not sure, as sugar sticks, and might cause permanent short circuits.