Laptop keyboard cannot type, causes and how to fix

After a period of use, you will encounter a situation where the laptop keyboard sometimes cannot type. Today's TipsMake article will help you learn some of the main reasons why laptop keyboards cannot type. At the same time, instructions on how to fix the error of laptop keyboard not typing easily and quickly.

Content

1. Why can't the laptop keyboard type numbers and letters?
2. Causes & How to fix laptop keyboard error that cannot type
   1. The laptop keyboard is covered in dust and dirt, making it impossible to type
   2. Laptop is exposed to water or liquid
   3. The laptop keyboard cannot type because it is locked
   4. The laptop keyboard just can't type numbers
   5. Keyboard cannot type due to driver error
   6. Keyboard has hardware error
   7. The keyboard cannot type due to key paralysis
3. Epilogue

Why can't the laptop keyboard type numbers and letters?

There are many reasons why the keyboard cannot type , including the following main reasons:

1. The first cause may be a 'Driver Keyboards' conflict leading to the keyboard's 'Driver Keyboards' not being able to connect.
2. In addition, the error of the keyboard not being able to type could also be due to the signal cable or I/O chip controlling the keyboard being damaged or broken and needing to be replaced.
3. Sometimes, while using the computer to work, you accidentally touch the keyboard lock button on the laptop.
4. Or after using the computer for a long time, you do not clean the keyboard regularly, causing dust and dirt to stick to the slot, causing the keyboard to get stuck and not be able to type.

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Causes & How to fix laptop keyboard error that cannot type

For each cause mentioned above, there will be different solutions. Let's find out details through the content below!

The laptop keyboard is covered in dust and dirt, making it impossible to type

1. Reason:

If you don't clean the laptop keyboard after using it for a long time, dirt, particles, food, etc. will get into the slots of the laptop keyboard and fall down, making it impossible to type on the computer keyboard .

1. How to fix:

To overcome this situation, quickly use a specialized cleaning brush for laptops and computers to clean all dirt. If you find any obstructions in the keyboard slots, use tweezers to remove them from the laptop keyboard.

To be more careful, you can use tweezers to carefully remove the non-typing keys to remove all the dirt underneath, then adjust the key bones accordingly before reattaching them to the keyboard.

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Laptop is exposed to water or liquid

1. Reason:

Those who have the habit of drinking water while working will often encounter the situation of accidentally spilling water or liquid on the laptop keyboard, causing the keyboard to become chaotic or paralyzed.

1. How to fix:

When you spill a little water or liquid on your laptop keyboard, quickly turn off the keyboard and use clean paper to dry all the water stuck on the keyboard. After drying, continue using a hair dryer to dry thoroughly, avoiding water affecting the signal cable connected inside.

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When you spill a lot of water or liquid on your laptop keyboard, quickly turn off the computer and then turn the laptop upside down by hand. This will help all spilled water on the keyboard drain away. Then, you do the 2 steps above: Use paper to dry the outside and then use a hair dryer to dry it.

If, after completing and checking again, the laptop keyboard cannot type , the I/O chip controlling the keyboard may be damaged. You can only take it to a reputable repair shop to get a new IC replaced.

The laptop keyboard cannot type because it is locked

1. Reason:

In the process of performing operations on the computer for work, it is likely that you have touched the shortcut key combination on the laptop keyboard, leading to the computer keyboard not being able to type . To unlock the ' Make the keyboard easier to use ' keyboard lock function, follow these steps:

1. How to fix:

Step 1 : To unlock the keyboard, first click on the Windows window icon located in the lower left corner on the ' Taskbar ' bar. Then click Settings with the cog icon to open the menu.

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Step 2 : In the new window that opens, click ' Ease of Access ' as shown by the arrow in the image above and then scroll down to select ' Keyboard '.

Step 3 : Under Use Filter Keys , you will see the words ' Ignore brief or repeated keystrokes and change keyboard repeat rates ', click ON .

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The laptop keyboard just can't type numbers

1. Reason:

Why can your laptop keyboard type normal letters but cannot type numbers? Have you encountered this situation? The cause may come from accidentally pressing the 'NumLock' key on the laptop keyboard, causing the laptop keyboard to not be able to type numbers .

1. How to fix:

There are many ways to overcome this situation with keyboard shortcuts depending on the device model you are using:

Method 1 : Press the ' Numlock ' key again until the green indicator light appears, which means you can now type the number on the keyboard.

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Method 2 : You can use either key combination Windows + Space or Shift + Esc to unlock the keyboard's number typing function.

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Method 3 : For some models, the keyboard unlock function will be located on one of the keys from F1 - F12 , you can try each key one by one to check.

Keyboard cannot type due to driver error

1. Reason:

A faulty keyboard driver that is not compatible with the software you just installed on your computer is also the cause of the laptop keyboard being paralyzed and the laptop keyboard not being able to type.

1. How to fix:

You follow these steps:

Step 1 : Click on the Windows window icon in the lower left corner of the screen, in the search box on the ' Taskbar ' toolbar , type ' Device Manager ' to search.

Step 2 : After the Device Manager section appears , click select. A Device Manager window will open, find the Keyboards section , click the arrow in front to expand the sub-items therein.

Step 3 : Right-click on PC/AT Enhanced PS/2 Keyboard (101/102-Key) , then click Update Driver as shown below.

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Step 4: The Update Drivers window will open, click on Search automatically for updated driver software so that Windows will automatically find the latest driver version and reinstall it for you.

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Keyboard has hardware error

1. Reason:

If you do not have the habit of regularly taking your laptop for careful maintenance, after a long time of use, the computer keyboard will wear out and the high humidity climate of Vietnam will easily lead to circuit errors in the keyboard. keys. This is also one of the causes of laptop keyboards not being able to type .

1. How to fix:

To fix the error of not being able to use the laptop keyboard in hardware, you need to take the laptop to a reputable repair center. Because the microchips in laptop keyboards have been designed synchronously by the manufacturer. Therefore, you can only ask the technical department to replace it with a new one, you cannot repair each individual key.

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The keyboard cannot type due to key paralysis

1. Reason:

The complete keyboard is made up of three layers: 2 layers of circuits below and the key layer that we use above. After a period of use, the internal key circuits gradually wear out, leading to being touched and unable to type. Therefore, the keyboard paralysis error is due to broken circuits below.

1. How to fix:

When you encounter this error, you cannot repair it yourself at home but need to bring the keyboard to the technical department of a reputable repair center to check and replace the broken keys.

Normally, when the keyboard is paralyzed, you just need to replace those keys without needing to replace the whole thing. They will remove the keyboard and use a pulse meter to determine the exact location of the broken circuit. Then proceed with technical repair.

Epilogue

Above are the causes and ways to fix some cases that lead to laptop keyboards not being able to type . Hopefully the above sharing will help you overcome the situation you are facing. If you need any further information, please contact TipsMake !

Marvin Fry

Update 01 October 2023