To unlock Fn lock, repeat the action again. The Fn lock key is represented by a lock symbol and located under the Esc (Escape) key on most standard keyboards. Although some keyboards don’t have ...

lock key, often denoted by a small padlock icon on the Esc key. To lock the Fn key on these keyboards, press the Fn and Esc keys simultaneously. The lock icon should light up to indicate the Fn ...