The fn lock key is usually the escape key and it will have a padlock on it see image below.
Computer key lock switch.
Pressing this key works like holding down the shift key but it works only with the letter keys think caps as in capital letters press caps lock again and the letters return to their normal lowercase state.
Using an arduino leonardo to lock and unlock a computer with a key.
Use the f lock key.
If your keyboard does not have a scroll lock key on your computer click start settings ease of access keyboard.
If a user account control dialogue window opens click the yes button to continue.
In the registry navigate to hkey current user control panel keyboard.
This is purely subject to the make of a keyboard and is not something to do with drivers or a windows 10 feature.
Num lock short for number lock is a feature of pc keyboards dating back to the very first ibm pc in 1981.
Use alternate command keys.
Press the windows key r on your keyboard to open the run window.
What is num lock.
The fn key lock is enabled by holding down two keys.
If your keyboard has an f lock key press it to toggle between the standard commands and alternate commands.
Windows 10 home users can also permanently disable the laptop s keyboard by updating the device with a driver from another hardware manufacturer.
To save room on the keyboard ibm decided to make keys on the numeric keypad do double duty as both number keys and cursor keys.
When the f lock light is on standard functions work f1 f2 and so on.
Not all keyboards have an fn key lock.
If your computer does not have a scroll lock key do one of the following.
To change default press the caps lock key to release caps lock to press shift key clk the following.
This can often be toggled with an fn lock key which functions like a caps lock key.
Toggle the fn lock on and the keys will function as if you re holding down the fn key all the time just as the caps lock key makes your letter keys function as if you re holding down the shift key all the time.
When the f lock light is off alternate functions work help undo and so on.
To disable scroll lock press the scroll lock key often labeled as scrlk on your keyboard.
To switch modes between them ibm introduced the num lock key.
If you ever need to disable your laptop keyboard in windows 10 you can do so from the device manager however additional steps are required to keep it off after a reboot.
The fn key and the fn lock key.
The script i used is here.
Rt clk start control panel language advanced settings about the third option down switching input methods in blue font there is an option to change language bar hot keys click that and a pop up window opens under the tab advanced key.