Hello, I'm Greg, here to help you with this.
Here are all ways to fix, reset and reprogram the keyboard:
https://answers.microsoft.com/en-us/windows/for...
If the same problem happens with another keyboard or on-screen keyboard then it may be a Windows issue. Go over Windows 10 using this checklist to make sure the install is set up correctly, optimized for best performance, and any needed repairs get done: http://answers.microsoft.com/en-us/windows/wiki...
Keep me posted on your progress as I will be here to help until the case is resolved.