Once you've located it, simply press the Fn Lock key to enable it. On many laptops, the Fn Lock function is accessed by pressing a combination of the Fn key and another key, often the Esc key.

So, use the correct key to enable function keys and then use the F5 key to refresh your desktop or a page. See: Keyboard Volume keys not working in Windows.

Explore simple technical steps to restore functionality to your Windows key and enhance your computing efficiency ...

Press "Fn-F8" to change your computer's wireless connection from Wi-Fi to Bluetooth and back again. Press "Fn-F9" to disable the mouse touchpad. Press the buttons again to enable it.

Function keys that enable convenient features like instant browser refreshing or screenshotting pages are lost unless you hold down the “fn” key on your keyboard.

You can stop wondering about those mysterious keyboard function keys on the top of your laptop and desktop keyboards. We have the answers!

1] Use the dedicated keyboard keys If your Acer laptop has a dedicated Function key to enable and disable the touchpad, you might have pressed it accidentally due to which your touchpad is disabled.