You have many options to try in order for your number pad keys to work again. To resolve your problems, you can try each of these options.
Your antivirus might have disabled the NumLock. The reason the NumLock isn’t working can vary. Sometimes, the registry on your operating system can become infected. In order to get rid of these malicious programs, the antivirus program will need to disable certain items. www.webroot.com/safe key code
