Why are some of my keys not working on my Sony notebook. No spills or knocks

[Christinew]

Why do some of my letters no work on my Asus notebook

 

[webworkings]

Try this and see if it helps.

1. Uninstall the keyboard driver.
2. Reboot the computer. (Yes, without reinstalling the driver).
3. When the computer restarts, it should reinstall the driver itself.