This test will block standard keyboard functions, including:
• Alt+Tab, Win+D, Ctrl+Alt+Del
• Print Screen, F11 (full screen)
• All system keyboard shortcuts
To exit the test, press Esc twice quickly.
Keyboard check: all keys, numeric keypad, and system shortcuts.
Press each key on your physical keyboard. The keys you pressed will turn green and stay that way.
Red keys are those that have not been tested yet or do not work.