Here is how to enable the touchpad function key. Look on your keyboard to see if function F6, F7, or F9 is labeled “Touchpad” hotkey. Press F6 or Fn + F6 on your keyboard. Try Fn + F9 and Fn + F7 if the earlier option doesn’t work. After that, see if you receive any notification about your screen’s enabled touchpad. Some or all keys are not working; Keys are not sensitive; What I type on the keyboard doesn’t match what I see on the screen ; Hotkeys not functioning properly; Q & A . Some or all keys are not working. If you experience the keyboard is not working, please refer to the following troubleshooting steps: Start by testing the arrow keys with software. Use the On-Screen Keyboard or a web-based keyboard tester to see whether the arrow keys are sending input. If the keys are working, move to step 5. Check if the keys are stuck. Remove the keycap and press the switches fully down to ensure that it actuates. Blow out the unresponsive switch. Pry the keycap off the unresponsive switch, hold the keyboard upside down, and blow out the switch using canned air. If that works, you may want to clean the keyboard at this time to avoid similar problems with other switches. Use contact cleaner. Unplug your keyboard, remove the batteries, and take the .

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