How do you fix unresponsive keys on a laptop keyboard?

Use a small, flat-blade screwdriver to pry the key off the keyboard. Insert the blade below the key and gently rotate the screwdriver until the key pops off. Once the key is off, you can clean anything around it. To return the key, put it in place and press down.

How do I fix my keyboard not typing letters?

Fixes for my keyboard won’t type:
  1. Restart your computer.
  2. Adjust your keyboard settings.
  3. Uninstall your keyboard driver.
  4. Update your keyboard driver.
  5. Try this fix if you’re using a USB keyboard.
  6. Try this fix if you’re using a wireless keyboard.

How do I reset my laptop keyboard?

Via Control Panel

Open Control Panel > Language. Select your default language. If you have multiple languages enabled, move another language to the top of the list, to make it the primary language – and then again move your existing preferred language back to the top of the list. This will reset the keyboard.