Open Apple menu and choose “System Preferences”, then go to “Accessibility”.This setting is called Mouse Keys, which allows a user to control the onscreen cursor using the number pad on an extended keyboard. If you tried Clear and Shift+Clear to no avail, you probably have a setting enabled in the accessibility options of OS X that is preventing the numeric keypad from acting exclusively as a means of typing numbers. Numbers Still Not Typing? Check for Mouse Keys You may need to hit Shift+CLEAR instead, depending on your individual keyboard and settings. However, you can achieve the same function by hitting the CLEAR button on the numeric keyboard. There isn’t a dedicated Num Lock key on the Apple Wired Keyboards, and that applies to many of the third party USB keyboards built for Macs too. Where is the “Num Lock” Key on a Mac Keyboard?
