When I boot my Alienware Aurora, the side panel lights usually do not come on.  The front top and bottom lights function as expected, but the sides do not.  If I reboot, the side panels will start to flicker as they should.  Why are they not working to begin with?

ALIENWARE AURORA, INTEL(R) CORE(TM) I7, CPU 920 @ 2.67GHZ; INTEL64 FAMILY 6 MODEL 26, CPU CURRENT CLOCK SPEED: 2668MHZ; 6GB DDR3 MEMORY: Windows 7 Ultimate Edition 64 bit