<!-- / icon and title --> <!-- message -->my setup:

case: cooler master atcs 840

motherboard: gigabyte ep45-ud3p

cpu: intel's e8500

ram: 4g kit 800 mhz kingston

psu: corsair tx-850w

hdd: 1xtb w.d

graphics card: gtx 260 o.c

*i don't know for sure if it's my motherboard or my case (switch)*

problem: when i press "power" the lights on my motherboard and the front panel (case) led's lights up as normal, as well as the case fans turns on as normal.

wait 1-2 seconds the led lights on the front panel and on my motherboard turns off, as well as my case fans.

wait 2 seconds everything turns on as normal.

q1: what could be the problem?

q2: what can i do to fix it?