# Lock Keyboard and Mouse
The Teacher can lock the keyboard and mouse on the Student computers.
### How to Lock the Keyboard and Mouse on Student Computers
1. Select at least one Student.
2. Click *Focus*.
3. Click *Start* next to the *Lock Keyboard and Mouse* option.
4. Click the *Lock Keyboard and Mouse* button to confirm.
### How to Unlock the Keyboard and Mouse on Student Computers
1. Select at least one Student.
2. Click *Focus*.
3. Click *Stop* next to the *Lock Keyboard and Mouse* option.
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