Dell Inspiron 5594 Setup And Specifications page 20

Function key
The fn key is also used with selected keys on the keyboard to invoke other secondary functions.
Table 28. List of keyboard shortcuts
Function key
20 Keyboard shortcuts
Redefined key (for multimedia control)
Behavior
Pause/Break
Sleep
Toggle scroll lock
System request
Toggle between power and battery-status light/hard-drive activity
light
Open application menu
Toggle fn-key lock
Page up
Behavior
Switch to external display
Print screen
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