In Windows, search for and open Control Panel.[br]
In Control Panel, click Ease of Access.[br]
Control panel with ease of access selected[br]
In the Ease of Access Center, click Change how your keyboard works.[br]
Select 'Change how your keyboard works' in the Ease of Access menu[br]
Uncheck the option for Turn on Mouse Keys, and then click OK.[br]
Turn on Mouse Keys unchecked[br]