Dell XPS 15Z (L511Z, Mid 2011) - Manual (Page 38)

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Using Your XPS Laptop
Multimedia Control Keys
The multimedia control keys are located on the function key row on the keyboard. To use the
multimedia controls, press <Fn> + the required key. You can configure the multimedia control
keys using the System Setup (BIOS) utility or Windows Mobility Center.
System Setup
Press <F2> during POST (Power On Self Test) to enter the System Setup (BIOS) utility. 1.
In the 2. Function Key Behavior, select Multimedia Key First or Function Key First.
Function Key First — This is the default option. Press any function key to perform the
associated function. For multimedia action, press <Fn> + the required multimedia key.
Multimedia Key First — Press any multimedia key to perform the associated multimedia action.
For function, press <Fn> + the required function key.
NOTE: The Multimedia Key First option is active only in the operating system.
Windows Mobility Center
Press the < 1. ><X> keys to launch Windows Mobility Center.
In the 2. Function Key Row, select Function Key or Multimedia Key.