Acer Fn Key Not Working? [Quick And Easy Solution]

Most of the laptops have a separate Fn key which is designed for performing several specific actions. If can help you in adjusting the brightness of the screen, Wi-Fi On/Off, etc. You simply need to know the perfect combination of all the Function keys (F1 – F12). 

But sometimes, the Fn key may stop working normally, especially after a change in the Operating System version. There is more to the list. In this article, we are going to discuss the typical causes and some possible solutions to this problem.  

What Causes the ‘Acer Fn Key is Not Working’ Issue? 

As we mentioned earlier, this issue can be encountered right after installing the latest Windows update, but not always. You can face the same issue after disabling the startup for some software. 

The functions of the Fn key depend on the manufacturer’s utility. If you accidentally remove that program, from the Windows startup, then you can also face this issue. 

If you haven’t yet installed the specific software or drivers to use this Fn key then it might be the reason behind this issue. 

Some laptops allow the users to change the settings of the Fn key from the UEFI or BIOS. If you have changed those settings unintentionally, then it may prevent the Acer’s Fn key to work normally. 

Acer’s Fn Key is Not Working on Windows 10 [Solved] 

If the Fn is not working properly on your Acer laptop, then you need to visit the official website. Then, go to the Select Device section. 

Afterward, you will get the option to enter the model number manually in a specific field. Enter the number (it can be an alphanumeric value). 

Next, choose the Operating System you are using. (If the version you are using is not on the list, then you should download the drivers from Microsoft’s official website.)

Then, download the ‘Acer Power Manager’ and ‘Acer launch manager Application’ utility from the next page. Thereafter, you have to install them by following the on-screen guidance. 

Now, run those utility and check if the Fn key starts to work normally. 

Now, there is a possibility that you might have locked the Fn key unknowingly, then you have to know the appropriate methods to unlock the key.

How do you Unlock the Fn key on Laptop? 

If you press any letter key along with the Fn key from the keyboard but the laptop is just showing the number, then you need to understand that the Fn key is locked. 

To solve this, you need to hit the F12, Fn, and the Num Lock simultaneously from the keyboard. Then, press the F11 key by holding the Fn key. 

You will note that that the Fn key is released instantly.


This is the most probable solution to get rid of the ‘Acer Fn key is not working’ issue. We hope this article will help you to get rid of this problem. 

If you face any kind of trouble while performing the above steps, then feel free to share that, through the comment section given at the end of this post.