Left Ctrl key not working properly (Fixed) Windows 11, 10 and 8


Most laptops have at least one CTRL key, and standard PCs usually have two. These keys are used to optimize the other keys on your keyboard by giving them additional functions, such as copying and pasting text.

If you are looking for a solution to this problem, in this article you will find several repair strategies to help you solve the problem. Below you will find several different repair strategies that other users have successfully used in a similar situation to restore the normal functionality of the left Ctrl key.

What is the cause of Left Ctrl Key Not Working

We looked into various user reports and analyzed various repair strategies that are commonly recommended by affected users. As it turns out, several different situations can lead to the apparition of this issue. Here’s a shortlist of potential culprits that might be responsible for this problem:

  • Physical keyboard issue – Before focusing on other potential culprits, affected users should start by ensuring that they are not dealing with a faulty keyboard button. The easiest to test if this is true is to connect a different keyboard and see if the issue is still occurring.
  • The issue is caused by a bad Windows update – There is one particular Windows update aimed at adding additional shortcut options that are known to cause this problem with the left Ctrl button. In this case, you can resolve the issue by install every pending WIndows update – this will make sure that you install the hotfix for the issue.
  • Corrupted / Improper HID Driver – The HID driver is often responsible for the apparition of this issue. A corrupted instance might break the functionality of some keys. Affected users have reported that they managed to fix the problem by reinstalling the driver using Device Manager.

Check To See If There Is A Physical Problem.

This is a simple solution. Remove the original keyboard and plug in another keyboard to see if the problem occurs. If the control key still does not work, it means that the problem is not caused by a physical problem.

Upgrade To The Latest Version Of Windows

This solution is also useful – several users were able to recover the control key after installing the next Windows update.

  • Open setting on your Windows 11 and Search for Windows update and open it.
Left Ctrl key not working
  • Click Check for updates when you are in the Windows Update tab.
  • Follow the instructions on the screen to install pending Windows updates.
  • After installing all pending updates, restart your computer and check for any remaining issues.

Installing The HID Driver

HID (Human Interface Devices) is a device class definition that replaces the PS/2-type connector with a generic USB driver to support HID devices, including keyboards, game controllers, etc. However, corrupted drivers can cause keyboard problems, such as the left control key not working in Windows 10 and 11.

How do I reinstall the HID drivers? Here’s a guide.

  • Right-click the Windows icon on the taskbar and select Device Manager.
Left Ctrl key not Working on Windows fix
  • With the Device Manager open, locate the keyboard and expand it.
  • Right-click the HID Keyboard Device and select Uninstall device.
  • Click the “Uninstall” button to confirm.
  • Click the “Action” tab at the top and click the “Scan” button to get information about the hardware changes. Your system will detect the keyboard and reinstall the HID drivers on your computer.


Follow the steps below and check if that helps.

Method 1: To check if Ctrl keys work on the Onscreen keyboard.

  • Press Windows Key + R and type osk and hit Enter.
Fix Left Ctrl key not Working

Try using Ctrl keys and check if that helps.

if you still face the issue, try Method 2.

Method 2: Run the Hardware and Devices Troubleshooter.

I would suggest you run this troubleshooter to check if the issue is with the Bluetooth adapter. Refer to these steps:

  • Press Windows key + X, select Control panel.
  • Change the view by option on the top right to Large icons.
  • Click on troubleshooting and click on the view all option on the left panel.
  • Run the Hardware and devices troubleshooter.
  • Restart your computer and check if the issue is resolved.

Check your Bios Settings

  • Check your BIOS settings for FN (Function key) and CNTRL key swap.
  • If some of you may notice, the Right CNTRL key still works, not the left. However, if you test the FN key as if it was your Left CNTRL key, it will behave as such.
  • Try FN + A to highlight all text or FN + S to save an open page, etc.
  • Likewise, test your Left CNTRL key as a FN key and you will notice you can Clip your screenshot of your desktop and other FN key features.
  • Some laptops have a software setting to swap it back. Else, reboot into BIOS and swap your keys back.


Here were a few resolutions that you can use to fix the “Left Ctrl Key not working” issue on Windows. Also, make sure that your device is operating on the latest Windows version and regularly check for updates.

Was this post helpful? Which solution worked out the best for you? Feel free to share your thoughts in the comments section.

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