Asus g73sw

My ASUS ROG G73sw gaming laptop won't boot. All the leds flash on for 3 seconds and then go off for 3 seconds and the fans flicker when I push the power button, repeating a couple times. No display comes on at all. It won't turn on at all when I use just the power cord. I tried connecting to...

Well, I'm building my first gaming PC. (Keep in mind I have not bought anything yet.) I would like to know if you guys could help me find any parts that are better for a price the same or less. Thanks in advance. Power Supply- EVGA 500 Watt Power Supply Hard Drive- WD Blue 1 TB Hard Drive RAM-...