How To Fix Apple Keyboard After Spill. How to Rescue Apple Pro Keyboard From Liquid Damage 1. Simply follow the steps you took to disassemble the keyboard but in reverse.

Download and install Karabiner. If you lucky it may start. Unplug the USB it to cut the power or remove the batteries if its a wireless keyboard.
Apply a mixture of dish-washing liquid and distilled water to the damaged area.
Immerse the keyboard in the water and give it a few good shakes. Then let the keyboard drain on a towel. Use a paper towel. Immerse the keyboard in the water and give it a few good shakes.
