Windows Mobility Center button — Press to launch the Windows Mobility Center.
Windows Mobility Center provides quick access to your mobile PC settings such as
brightness control, volume control, battery status, wireless network and so on.
Dell Support Center button — Press to launch the Dell Support Center. For more
information, see "Dell Support Center" on page 56.
Display On/Off button — Press to turn on or turn off the display.
NOTE: The Windows Mobility Center, Dell Support Center, and Display On/Off buttons
work only on computers running the Windows operating system.
Using Your Inspiron Laptop