GA-X99-UD4 On Board and back Lights

[furkan_aytac]

Hello everyone ;
i have a GA-X99-UD4 with intel i7 5930k processor.The lighting on the board sometimes turns off , blinks . After i restart the computer it turns normal for a while . What could be the problem ?

[furkan_aytac]

[dmdilks]

On page 101 in the book.
Using Ambient LED
•• Audio LED (display mode of the onboard audio LED):
Off -- Disables this function.
Still Mode -- The LED stays constantly on.
Beat Mode -- The brightness of the LED changes according to music rhythm.
Pulse Mode -- The brightness of the LED changes slowly and smoothly like breath.
•• Rear panel LED (display mode of the rear panel I/O shield LED) (Note):
Off -- Disables this function.
On -- The LED will light and follow the behavior of the onboard audio LED.