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Dell Latitude 3440 Keyboard Not Working

Dell Latitude 3440 Keyboard Not Working

Gabe Jang and 1 contributor
Last updated on

If you press the keys on your Dell Latitude 3440, and they do not register in any application, follow this page for possible solutions.

Causes

1

Keyboard Input Not Working in Certain Applications

  • First, we will determine whether the issue is due to software or hardware. Test the keyboard across different programs to confirm that it fails everywhere.
  • If the keyboard works on only certain programs, the issue is related to the settings within the specific program, and you should consult the program’s help menu.
2

Keyboard drivers not working

  • Restart the computer to reinitialize the drivers.
  • Reinstall the keyboard drivers for the laptop from Dell’s website here.
  • If this does not resolve the problem, plug in an external keyboard to determine whether the issue is system wide.
3

Keys are not being pressed enough

  • Check for debris under or between the keys. Clean underneath the keyboard by using a compressed air can for electronic dusting. Additionally, use a cotton swab or a small needle to gently dislodge dust and debris from under the keyboard.
4

Physical damage to the keyboard

  • If any key does not rebound properly or feels sticky, this indicates that something has been spilled on the keyboard. Attempt to clean the keys using rubbing alcohol and cotton swabs. After the keys have been cleaned, check to see if the keys register. If not, the contacts for the key may have been damaged, and the keyboard needs to be replaced.
  • Inspect the keyboard for any cracks or chips, as this would indicate that the keyboard has been physically damaged. This could result in specific key or whole keyboard unresponsiveness.
  • If this does not solve the problem, you may need to replace the keyboard or the rebound cup.
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