How to fix the problem of left clicking on Windows

Left-click is the most used function, helps open files, programs and confirm commands on a PC. However, users often encounter problems such as not being able to click the left mouse button or the left mouse button in the wrong way. There are many reasons for this problem, so the article will show you some ways to troubleshoot left click on Windows.

First you need to check if this is a hardware or software error. To check, you just need to connect the mouse to another computer. If on your computer, your mouse still does not work, this is a hardware error, you need to replace the new mouse, refer to the article 8 things to know when buying a computer mouse. If it still works well, see the fix below.

There are two problems with your mouse: one is that the left mouse click does not work in certain areas, and the other is that it is completely unresponsive. Since you can't use the mouse, activate the touchpad if you have one or learn how to control Windows using the keyboard.

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1. Restart the PC

The simplest solution is usually the best solution, try restarting the computer. During the reboot process, many corrupted driver and file system problems can be solved automatically.

1. What will happen when restarting the computer?

2. Update or uninstall the computer mouse driver

Older or corrupted drivers are a common cause of left mouse clicks not working. To fix the problem, press Windows + R key and type devmgmt.msc in the Run dialog box to open Device Manager . Then move to the Mice and other pointing devices option and press the right arrow key on the keyboard to expand it. You can now right-click HID-compliant mouse and select Update driver software .

On the next page, select Search automatically for updated driver software to automatically update the driver.

If it still doesn't fix the problem, try uninstalling it by selecting the Uninstall option. Then, disconnect the mouse and restart the PC. When the PC restarts, connect to the mouse and let it reinstall its driver.

3. Run the Windows hardware troubleshooter

Windows has an integrated hardware troubleshooter, which can scan and resolve external device problems automatically such as problems with the screen, keyboard, mouse, etc. To launch the troubleshooter Try this, access the Control panel and open System and Security .

Then select the Troubleshoot common computer problems option in the Security and Maintenance section .

Now open the Configure a device option in Hardware and Sound and start the troubleshooting process. Windows will scan and automatically resolve if a problem is found. If it can't fix the problem, it will display a notification error telling you.

4. Uninstall and then reinstall the antivirus software

Sometimes anti-virus software, especially a keylogger, may cause the mouse to malfunction. To test, try uninstalling the antivirus program from Control Panel and restarting the PC.

If the problem is resolved, you can reinstall the antivirus program because it may not cause problems for the computer mouse when reinstalling. If there is still a problem after reinstalling the antivirus software, you can use other anti-virus software.

5. Re-register the Windows application

The problem of left clicking does not work properly. It can be solved by re-registering the Windows application. To re-register the Windows application, press Windows + R and type powershell in the Run dialog box to open the command line interface. Then enter the following command and press Enter .

 Get-AppXPackage -AllUsers | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register "$ ($ _. InstallLocation) AppXManifest.xml"} 

Powershell will re-register all packages, if there is a warning in the process, you don't need to bother, ignore them.

6. Fix broken system files and updates

It is possible that files and system updates are corrupted causing problems, you can refer to the article Check and fix file system errors on Windows to fix and replace system files on Windows.

7. Uninstall the recent Windows update

If this problem occurs immediately after Windows update and the above solution does not fix the problem, try uninstalling the Windows update.

From the Control Panel, access System and Security and then open the View installed updates option in the Windows Update section.

Here you will see all Windows update files, uninstall by clicking on the file and selecting Uninstall .

8. Check for stuck keys

One possibility of making a left-click strange action mouse is a certain key on the jammed keyboard, such as Ctrl, Spacebar, Shift, etc. Check all the keys on the keyboard to make sure there is no Which keys are stuck.

9. Turn off the touchpad

If you are using a laptop and using an external mouse, turn off the touchpad on the laptop because it is possible to hover the mouse so that the external mouse does not work properly.

10. Uninstall recently installed programs

Installing new programs can also cause left-click problems. You just need to uninstall all recently installed programs and see if the problem is resolved.

11. Modify the faulty user profile

Need to determine if the problem is unique to your user account or system-wide issue.

Create a new user account temporarily by navigating to Start> Settings> Accounts> Family and Other Users> Add Someone Else to This PC . The application will ask for details and username of new users.

Log in to the new profile. Left click to see if it works? If so, the main user account may have encountered a problem.

Try copying all user data to a new profile. At least three profiles are needed (new profile, trouble profile and adding a backup profile) on the computer to perform this process.

Login to the backup profile. All of the following steps should be taken from this additional account.

First, open File Explorer and make sure both hidden files, folders and protected operating system files are viewable. If you can't see them, go to View> Options> View and make the necessary adjustments.

Next, navigate to C: Users [ Problem Username ] and select all files except Ntuser.dat, Ntuser.dat.log and Ntuser.ini. Copy the files and paste them into C: Users [New Username].

Finally, log out and log in to your new account. Once everything is working properly, users can delete the backup account and the damaged account.

12. Check if Windows data is problematic

If you still can't use the left mouse button on the new profile, that's a sign that something is wrong in Windows itself. One of the most common culprits is broken Windows Update.

To check if Windows files are corrupted, users need to run PowerShell (by right-clicking on the Start menu and selecting the file from the list).

Next, run the System File Checker tool.

Enter sfc / scannow and press Enter. One of the three results will appear:

1. Windows không tìm thấy sự sự sự xử lý các lỗi (Windows did not find any errors).

2. Protector Windows Resource tìm thấy tập tin bị hỏng và repaired. (Windows Resource Protection has found corrupted files and repaired them).

3. Windows tìm kiếm cơ sở dữ liệu bị hỏng, nhưng không thể sửa đổi một số (hoặc tất cả) của thêm. (Windows Resource Protection finds broken files but can't fix some (or all) of them.

In the last case, enter DISM / Online / Cleanup-Image / RestoreHealth and press Enter. PowerShell will download any corrupted files again. This process may take a long time, so be patient.

13. Hard reset computer

Doing hard reset is not a recommended thing, so it is advisable to limit the use of this method unless there is no other option. Many users have reported that this method helps to troubleshoot left mouse button not working.

It's easy to perform a hard reset operation. If done on a desktop computer without a battery, unplug the power cord. If using a laptop, remove the power cord and battery. In both cases, you need to log in to the user account on the PC before performing a reset.

14. Enable ClickLock

What happens if everything is working normally except drag and drop? If that is the case you are facing, temporarily enable ClickLock.

ClickLock allows users to drag and drop files and folders using one click, instead of having to hold down the left mouse button as usual.

To activate it, go to Start> Settings> Devices> Mouse> Related Settings> Additional Mouse Settings .

The Mouse Properties window will pop up. At the bottom of the Buttons tab , you will see the ClickLock option. Click the checkbox to activate it. Clicking Settings will allow users to customize their ClickLock options.

Also, if you're using a wireless mouse, be sure to check its battery again!

Of course, your mouse may also be broken. Try using another wired mouse and see if the problem is resolved. And remember, cleaning the mouse is also an important operation. Dust can quickly accumulate inside electronic components leading to malfunction.

I wish you all success!

See more:

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2. How to fix mouse error lights but does not work
3. How to fix Touchpad error on Windows 10 does not work