Fix ALT+F4 key combination not working on Windows

ALT + F4 is a legendary shortcut combination, it will support Windows operating system users to quickly close the open window (the window you are manipulating) extremely quickly.

ALT + F4 has helped many generations of students and students escape from the teacher’s death eyes during computer class 🙂 If any of you have ever sneaked a game in Computer class, you will understand immediately, but I I believe that 99% of you guys have played games in class. Believe it or not ᵔᴥᵔ

And it’s bad luck for those of you who have a broken machine with this shortcut combination, or in other words, the shortcut key combination ALT + F4 doesn’t work anymore, it’s really too bad!

So how to fix the error that the keyboard shortcut ALT + F4 cannot be used? Well, in this article I will share with you the simplest ways to fix this situation.

I. How to fix ALT+F4 not working?

But note that the methods below only apply to cases of operating system errors, but not for physical errors such as broken buttons.

#first. Check the Fn . key

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If the ALT + F4 key combination doesn’t work, first check if it requires the key Fn to enable this key combination or not. Because a lot of keyboards now have this Fn key integrated, even a separate keyboard.

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For example: Instead of just pressing the Alt + F4 key combination, now press the 3 key combination Fn + ALT + F4 (note that the Fn key you hold first).

This is a simple solution but can help if Alt + F4 doesn’t work on your computer. Try this simple method first!

Read more:

#2. Try disabling Sticky Keys on Windows

First you press the key combination Windows + I to access Windows Settings => Then open Ease of Access.

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Then you go to the tab Keyboard => and you turn off Sticky Key in section Use Sticky Keys (switch the task to OFF).

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Finally, check if the ALT + F4 key combination is working or not.

#3. Use the Troubleshooter feature to fix errors ALT + F4

Go back to Windows Settings with the shortcut key combination Windows + I => then click Update & Security.

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Click on the tab Troubleshoot => then press Additional troubleshooters.

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Choose Keyboard => and press Run the troubleshooter. This is a set of error fixing tools built into Microsoft Windows operating system.

#4. Check for hardware problems

It could also be that your keyboard is faulty. Therefore, try to check if the keys on your keyboard are having a physical key failure by the following:

Or another simple way is to plug that keyboard into another computer, if it still doesn’t work then 99% of the fault is your keyboard. Of course, the machine you are testing can still use ALT + F4 keys 🙂

And you know what to do. Yes, what’s wrong with changing it ^^

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#5. Edit in Registry Editor

NOTE: You should back up the entire Registry before following this tutorial, so that if you make a mistake that causes Windows 10 errors, you can still restore it.

+ Step 1: Press Windows + R to open the Run dialog => enter the command regedit => press Enter.

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+ Step 2: Next, you access the following path:


=> Then you check whether in the right pane there is a NoWinKeys key? If so, skip this step. On the contrary, if not, then…

Right-click any empty area in the right pane => select New => choose DWORD (32-bit) value and enter the key name as NoWinKeys. If so, you can skip this step.

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+ Step 3: You double click on the newly created Key => and change the value to 0 => click OK to agree.

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+ Step 4: Finally, restart your computer and try again to see if the ALT + F4 key is working again!

#6. Check Keyboard Driver

An outdated or faulty keyboard driver can affect the stability of the Alt + F4 key combination. To fix this problem, make sure that the keyboard driver is up to date.

Sometimes, drivers for hardware and peripheral devices on the computer are not updated properly by the system.

Because there are differences between the generic driver and the driver provided by the manufacturer itself. The best way is to install the original manufacturer’s driver for the keyboard to avoid such minor errors.

For Windows 10, the simple way is to upgrade the Windows 10 operating system to the latest version.

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If you are using a lower version of Windows, or you do not want to change the current version of Windows, you can see the instructions in the article below:

#7. Epilogue

OK, the above are the most effective ways to fix ALT+F4 not working on Windows. How did you fix the ALT + F4 error in the above ways? Don’t forget to comment below to report back!

In addition to the above ways, if you know any other good ways to do it, don’t forget to share it with us, so that the article can be more complete. Thank you!

CTV: Hoang Tuan – techtipsnreview

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Source: Fix ALT+F4 key combination not working on Windows
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