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Table of Contents
1. Clean up stuck keys
2. Check driver and system settings
3. What should I do if there is a shaft body or circuit problem?
Home Computer Tutorials Troubleshooting how to fix a non-responsive keyboard key

how to fix a non-responsive keyboard key

Jul 29, 2025 am 02:45 AM
repair Keyboard failure

The keyboard single-key failure can usually be solved by itself without changing the keyboard. 1. Clean the stuck buttons: Use air blow balls or compressed air to clean up dust and debris. The mechanical keyboard can pull out the key cap to wipe the shaft contacts. The laptop can use tape to absorb gap particles. 2. Check driver settings: Device Manager scans hardware changes or reinstalls the driver, uses the keyboard to test the website or Mac keyboard viewer to troubleshoot system errors, update the system or reset the input method. 3. Deal with the problem of shaft body circuit: Mechanical keyboards can be tried to weld or replace the shaft body. If the film or notebook keyboard is damaged, it needs to be replaced as a whole. If you have no experience, it is recommended to send it to repair. Most cases can be restored by cleaning or software adjustment.

how to fix a non-responsive keyboard key

Sometimes a key on the keyboard suddenly fails to work, either it is either the entire keyboard broken or the system problem, or a single key does not respond. This situation is actually quite common. Most of the time, you don’t need to change the keyboard, you can solve it by cleaning it yourself or checking it yourself.

how to fix a non-responsive keyboard key

1. Clean up stuck keys

In many cases, the bond does not respond due to infiltration of dust, debris or liquid. Especially for mechanical keyboards or laptop keyboards, things are easier to get into the gaps.

  • You can first blow the ball or compressed air spray can, blow a few times around the key, and blow away the surface and shallow debris.
  • If it is a mechanical keyboard, you can consider removing the key cap (be careful not to lose the spring in the shaft), and then use a cotton swab to dip it in alcohol and gently wipe the metal contacts on the top and surrounding shaft.
  • If the laptop keyboard is difficult to disassemble, you can use tape to stick the gap and try to "suck out" some small particles.

Sometimes you will find a grain of rice or biscuit residue under the button, which will be easy to use immediately after cleaning.

how to fix a non-responsive keyboard key

2. Check driver and system settings

If it's physically OK, it could be a software-level glitch.

  • Open Device Manager, find the keyboard column, right-click and select "Scan Hardware Changes" or "Uninstall Device", and then restart the computer to allow the system to re-identify.
  • You can also try using a keyboard test website (such as Keyboard Tester) to confirm whether this key is really broken or the system misjudgment.
  • If you are using a Mac, you can open the "Keyboard Viewer" to see if there are any keys "remembered" by the system but are not actually pressed.

Sometimes it can also help to update the system or reset the input method settings.

how to fix a non-responsive keyboard key

3. What should I do if there is a shaft body or circuit problem?

If it is a mechanical keyboard, some keys may not work, or the shaft body may be loose, poor contact, or even damaged.

  • You can resolder the shaft with a hot air gun or soldering iron, but this requires some electronic repair experience.
  • Or change the shaft body of the same model directly, the cost is not high but requires tools and patience.
  • For membrane keyboards or built-in keyboards of notebooks, this problem is difficult to fix. If you are sure that the internal circuit is broken, you may have to change the entire keyboard.

If you are not very brave to move the electric soldering iron, it is recommended to ask a friend for help or send it to a repair point.

Basically these are the methods. Most of the situations are small problems, just clear and try it. If you really can't do it, then consider changing the accessories or the keyboard itself.

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