Why Your Laptop Keyboard is Not Working And Fixes (Explained)


If your laptop keyboard is not working, you may be experiencing frustration and confusion. Why is your laptop keyboard not working? Is it a software issue or a hardware issue? What can you do to fix the problem? These are just a few of the questions you may have when your laptop keyboard is not responding. In this post,explain the potential causes of laptop keyboard not working and provide solutions to help get your laptop keyboard back in working order.

Here are four potential possible reasons then i explain below: connection problems, power source issues, damaged components or dirt and debris.


Connection problems

The connection between the keyboard and the motherboard is essential for the keyboard to function properly.

Any disruption or damage to this connection can cause the keyboard to stop working. There are several reasons why connection problems might occur:

  1. Loose connections: Over time, the connection between the keyboard and the motherboard can become loose due to wear and tear. This can happen due to frequent use, accidental drops, or other physical damage.
  2. Corrosion: If the connection points of the keyboard or the motherboard are exposed to moisture, they can become corroded. This can cause the connection to weaken and eventually fail.
  3. Other issues: There are several other issues that can cause connection problems between the keyboard and the motherboard. For example, if the keyboard cable is damaged, it can cause the connection to fail. Similarly, if the motherboard has a hardware or software issue, it can affect the keyboard’s ability to communicate with the computer.

To fix connection problems between the keyboard and the motherboard, you may need to replace the keyboard or repair the motherboard.

If the issue is due to loose connections, you can try reseating the keyboard cable. If there is corrosion, you may need to clean the affected area.

If the issue is due to a software or hardware problem, you may need to seek professional help to diagnose and fix the problem.


Power source issues.

The keyboard on a laptop requires power to function, and if there are issues with the laptop’s power source, the keyboard may stop working.

Here are a few reasons why this might happen:

  1. Low battery: If the laptop’s battery is low or empty, the keyboard may stop working. This is because the keyboard requires power to communicate with the laptop’s motherboard.
  2. Faulty charger or charging port: If the laptop’s charger is faulty or the charging port is damaged, the battery may not charge properly. This can cause the keyboard to stop working since it relies on power from the battery.
  3. Battery issues: If the laptop’s battery is faulty or damaged, it may not be able to hold a charge or supply power to the keyboard. This can cause the keyboard to stop working.

To fix power source issues that are causing the keyboard to not work, you can try the following:

  1. Charge the laptop: Make sure the laptop is properly charged and the battery is not low.
  2. Check the charger and charging port: Make sure the charger is functioning properly and the charging port is not damaged.
  3. Replace the battery: If the battery is the issue, consider replacing it with a new one.

If none of these solutions work, it’s possible that there may be a more serious issue with the laptop’s hardware or software. In this case, it’s best to seek professional help to diagnose and fix the problem.


Why Your Laptop Keyboard is Not Working And Fixes (Explained)


Damaged components

If any part of the keyboard is damaged, it can significantly affect its performance.

For instance, if the keyboard is dropped or exposed to liquid, it can cause harm to the internal components of the keyboard, such as the circuit board, keys, or wiring.

This damage can lead to a variety of issues, such as unresponsive keys, incorrect typing, or failure to register keystrokes.

In such a situation, it is crucial to get the damaged components repaired or replaced.

This can involve taking the keyboard to a professional repair service or buying replacement parts if the damage is not too severe.

Ignoring the damage can lead to further problems and potentially render the keyboard entirely unusable.

Therefore, it is essential to handle the keyboard with care and avoid exposing it to any liquids or accidental drops to prevent any damage to its components.


Dirt and debris.

Over time, dirt and debris can accumulate under the keys of a keyboard.

This buildup can prevent the keys from working correctly, resulting in unresponsive or sticky keys. To fix this issue, it is essential to clean the keyboard regularly.

There are several ways to clean a keyboard, but the most effective methods are using compressed air or a soft brush.

Compressed air is an excellent option for removing dust and debris from the keyboard. It is readily available in cans and is easy to use.

Simply hold the can of compressed air upright and spray it between the keys at an angle.

This will dislodge any debris or dust that is trapped under the keys.

If the debris is stubborn or sticky, a soft brush can be used to clean the keyboard. Use a small, soft-bristled brush to gently sweep between the keys to remove any dirt or debris.

Be careful not to use too much force, as this can damage the keys or other components of the keyboard.

Regular cleaning of the keyboard can prevent the buildup of dirt and debris, which can cause problems with the keyboard’s functionality.

Therefore, it is essential to clean the keyboard periodically to maintain its performance.

So, here’s a chart table with 20 scenarios and potential fixes:


Potential Fix

Keyboard not responding at allRestart the laptop
Some keys not workingClean the keyboard with compressed air or a soft brush
Typing incorrect charactersCheck if the language settings are correct
Keyboard not lighting upCheck the keyboard lighting settings
Sticky or unresponsive keysClean the keyboard with isopropyl alcohol or replace the affected keys
Keyboard typing multiple characters at onceCheck the keyboard settings and adjust the repeat delay and repeat rate
Keyboard not working on startupCheck the BIOS and ensure the keyboard is enabled
Function keys not workingInstall or update the keyboard drivers
Caps lock stuck onToggle the caps lock key
Keyboard not detectedCheck the keyboard connection and try using a different USB port
Missing keysReplace the affected keys
Keyboard typing in all capsToggle the caps lock key
Keyboard typing numbers instead of lettersToggle the num lock key
Keyboard not working after Windows updateUninstall the keyboard drivers and reinstall them
Keyboard not working in specific applicationsCheck the application settings and ensure the keyboard is enabled
Keyboard not working after liquid spillImmediately turn off the laptop and have it professionally cleaned and repaired
Keyboard not working after physical damageHave the affected components repaired or replaced
Keyboard not working with wireless connectionEnsure the wireless connection is properly set up and try reconnecting the keyboard
Keyboard not working after battery replacementCheck the battery connection and ensure it is properly installed
Keyboard not working in safe modeCheck the device manager and ensure the keyboard drivers are installed and enabled

It’s important to note that these are potential fixes and that some issues may require professional help or even keyboard replacement.


In conclusion, there are several reasons why a laptop keyboard may not work correctly. Power source issues, damaged components, and dirt and debris can all cause problems with the keyboard’s functionality.

Properly charging the laptop, checking the charger and charging port, and replacing damaged components can all help to fix power source and damage-related issues.

Cleaning the keyboard with compressed air or a soft brush can help to remove dirt and debris and prevent future problems.

Regular maintenance of the keyboard is essential to ensure its longevity and performance. If any issues persist, it is recommended to seek professional help to diagnose and fix the problem.

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