Hi,
Thank you for your interest in Windows 10.
We understand how you feel about the situation. We're sorry for the trouble.
Before we proceed, I need more information to help you better, hence answer few questions.
- What is the make and model of the computer?
- Ask to check if the issue occurs when using an external keyboard?
You may follow the steps provided below and check if it helps to resolve the issue.
Method 1
Run a hardware troubleshooter.
To run a hardware troubleshooter.
a) Type troubleshooting in the text box.
b) Select Troubleshooting.
c) Click on view all and select the Keyboard from the list.
d) Click next and follow the on-screen instructions.
If the issues persists please refer method2
Method 2
Install the latest driver for keyboard in compatibility mode.
Refer the topic called how to install drivers Using Compatibility Mode to Resolve Driver problems from the link below.
http://answers.microsoft.com/en-us/insider/wiki/insider_wintp-insider_devices/how-to-install-and-update-drivers-in-windows-10/a97bbbd1-9973-4d66-9a5b-291300006293
Hope that answers your questions. If you have any other queries please write to us, we are delighted to assist you.