If you are struggling with the issue of the HP laptop’s keyboard not working then read below. Here are the reasons that cause the issue: 

1. You are using Outdated drivers on the laptop

2. Hardware issue in the laptop

3. Any glitch or virus on your laptop

4. You have unlocked your keyboard by mistake.

To solve this issue you can update your drivers, restart your laptop, update windows, turn off Cortana, or reinstall your HP keyboard driver.

Also read here: https://getassist.net/hp-laptop-keyboard-not-working/