Found function keys (Fn keys) not working on your laptop? No panic! Just follow the tried-and-trued fixes in this guide. You would make your Fn keys work again.
Firstly, look on your keyboard. Check if there was any key like F Lock or F Mode key. If there is one such key, press it and check the Fn keys if they could work.
The hard drives on most laptops are partitioned. In this case, as many users reported, after they try to press F11 or F12, the Fn keys works again. Thus make sure to try to press F11 or F12, then check your Fn keys if work.
Fix 3. Update the Fn keys driver
If the Fn keys driver were not compatible with your operating system, they may not function either. Thus make sure update Fn keys driver when they have problems. The Fn keys driver of some laptop is within the pack of keyboard driver, and also some have their own drivers.
Visit your laptop manufacturer website, go to driver download center and locate your laptop model. Then find and download latest the Fn keys(Hot keys) driver or key board driver.
If you are not a tech savvy, we highly recommend you use Driver Easy — an extremely helpful driver tool. It can help you scan out the drivers with problems and update them automatically. Its Free version can offer the latest drivers for you to install. But if upgrade to Pro version, it can make all your drivers up-to-date with just one click — Update All.
Once you update your Fn keys driver, restart your laptop to make change take effect and check if Fn keys work now.
Fix 4. Install BIOS Update driver
NOTICE: Updating a BIOS always has some slight risk factor, thus only if fix1-3 all not serve you, try this fix with the help of a tech savvy or if you were the one.
If some errors occurs on such quick launch keys like Fn keys, you can choose to update your BIOS. In this case, you can download BIOS Update driver from your laptop manufacturer website.
To download BIOS Update driver manually, here take HP laptop as example to give you a guide.
Go to HP software & driver download center.
Then locate your laptop model.
Choose your operating system.
Find and expand BIOS dialog.
Then click Download.
When it’s done, double-click the downloaded .exe file to install the driver.
Restart your laptop to make change take effect and check if Fn keys work now.
That’s all there is to it. Hopefully with these fixes, you can make your Fn keys work properly.