Wet a PC can be saved, provided you have the good reflexes!
You just spill water on your computer: a disaster that happens regularly, do not despair, your PC is not dead either.
If you just spill water on your computer, consider that you have about 5 to 10 seconds to take the proper actions.
Immediately turn off the computer power: for a desktop immediately disconnect the power plug, if it's a laptop remove the battery. Don't event consider going through the Start Menu > Shutdown or press and hold the power button. All these methods take too long!
Put your computer in a position that will optimize the evaporation of water and clean off the water retained in the by the casing.
Now you just have to wait ....According to room temperature and the gravity of the situation, it takes between 1 and 24 hours.
Tried and tested method with water and coffee.
Please note: Windows 7 has a security system that detects any short circuits and the computer will turn off immediately to avoid serious consequences.