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 ...

Filled double-check: The message has been read by the recipient. You will also notice a lock symbol next to these icons, ...

Once there, you'll find a mechanical lock featuring three discs, each bearing eight symbols. To crack the lock, you'll need ...