A laptop or notebook keyboard could be locked with a key combination, can also be opened by using a fingerprint reader or replace a security card or use a combination of keystrokes that were used to lock the keyboard. The following trick to lock the laptop keyboard bersystem PC Windows, Apple Macintosh and Linux.
System Windows
Using a combination lock key [Windows] + [L]. Then after that, log back in using a password that has been created. If there are no computer passwords are created, then the laptop keyboard can not be locked.
Mac System
Macintosh laptop lock with screensaver has a password to protect your laptop. Open Open System Preferences, click the area "Desktop And Screen-Saver". Enable "Hot Corners", tick the box "Require password ..." FireVault area.
Linux System
To lock the Ubuntu or other Linux, and use any desktop, either Gnome or KDE, almost the same as Mac. Check the box labeled "Require password to wake this computer from sleep or screensaver". Or could use the laptop lid mechanism for activation screen blank, while in the screen saver settings set to "Lock screen when screensaver is active."
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System Windows
Using a combination lock key [Windows] + [L]. Then after that, log back in using a password that has been created. If there are no computer passwords are created, then the laptop keyboard can not be locked.
Mac System
Macintosh laptop lock with screensaver has a password to protect your laptop. Open Open System Preferences, click the area "Desktop And Screen-Saver". Enable "Hot Corners", tick the box "Require password ..." FireVault area.
Linux System
To lock the Ubuntu or other Linux, and use any desktop, either Gnome or KDE, almost the same as Mac. Check the box labeled "Require password to wake this computer from sleep or screensaver". Or could use the laptop lid mechanism for activation screen blank, while in the screen saver settings set to "Lock screen when screensaver is active."
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