Final answer:
To unlock the FN key on a Dell laptop, press and hold the FN key, find the Function Lock key, and press it while still holding the FN key.
Step-by-step explanation:
To unlock the function (FN) key on your Dell laptop, you can try the following steps:
- Press and hold the FN key.
- Look for a key labeled with a lock icon or with the abbreviation 'Fn Lock', 'FnLk' or 'F LOCK'.
- Press the Function Lock key while still holding the FN key.
Once you have successfully unlocked the FN key, it will function like a regular key, allowing you to use the secondary functions of the F1-F12 keys without having to press and hold the FN key.