Here are some steps to help diagnose why your laptop keyboard is not recognizing certain keys:

1. Check if the keyboard is fully connected to the laptop.
2. Ensure the laptop is powered on.
3. Check if the affected keys are physically stuck or blocked.
4. Check your Operating System’s Keyboard settings.
5. Update the laptop’s drivers.
6. Perform a clean installation or uninstall and reinstall the keyboard drivers.
7. Reset the laptop’s BIOS (Basic Input Output System) to its default settings.
8. If the issue persists, contact technical support.