Console Light Color

When you start your system press F2  when the blue Dell logo appears and you will enter setup. Scroll down on the left side of the screen.

http://support.dell.com/support/edocs/systems/xps600/en/index.htm#online_documentation

 

Reboot Computer

Hit F2 Key at the Dell Screen

Select Onboard Devices Option

Select Front LED Color  (Press Enter)

Use left and right arrow keys to scroll thru colour options

Select colour you want -- press Enter Key

Press ESC  Press the "Save and Exit" option to save the settings