Dell XPS 13 7390 2-in-1 - System Board and Palm-Rest Assembly Replacement

Function key Redefined key (for multimedia control) Behavior
Increase brightness
Switch to external display
Print screen
Home
End
The Fn key is also used with selected keys on the keyboard to invoke other secondary functions.
Table 22. List of keyboard shortcuts
Function key Behavior
Pause/Break
Toggle scroll lock
System request
Open application menu
Toggle Fn-key lock
Keyboard shortcuts 21