If your keyboard is not working properly in OS X, there are a couple of things you can try to get it working again. Topher Kessler MacFixIt Editor Topher, an avid Mac user for the past 15 years, has ...
Repeat delay: Controls the time delay before a keystroke repeats when held down. Repeat rate: Determines the speed of repeated keystrokes. Press the Windows key, type Device Manager, and hit Enter.