First time pc build problems

So I just built my first pc the other day, and I've encountered a problem. When I press the power switch all of the fans (3 case fans and the heatsink fan) all spin for about 1 second and then just stop, the pc doesn't make any noises associated with startup at all, the little led light under the lightninig symbol on my case does flash for the second or two the fans spin. I haven't installed the operating system yet since I can't get the pc to start up. I really don't want my investment to be wasted, pleas help!.

My Specs:
CoolerMaster HAF 922

Windows 7 64-bit

Rosewill BRONZE Series RBR1000-M 1000W Continuous@40°C, 80Plus Bronze Certified,Modular Cable Design,ATX12V v2.3/ EPS12V,SLI Ready,CrossFire Ready,Active PFC"Compatible with Core i7, i5" Power Supply

GIGABYTE GA-Z68MA-D2H-B3 LGA 1155 Intel Z68 HDMI SATA 6Gb/s USB 3.0 Micro ATX Intel Motherboard

Intel Core I7-2600 (not k)

ADATA 2x2 (4GB) 1600Mhz DDR3

Western Digital Caviar Blue WD2500AAKX 250GB 7200 RPM 16MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive

ASUS 24X DVD Burner - Bulk 24X DVD R 8X DVD RW 12X DVD R DL 24X DVD-R 6X DVD-RW 16X DVD-ROM 48X CD-R 32X CD-RW 48X CD-ROM Black SATA Model DRW-24B1ST/BLK/B/AS - OEM

HIS H687F1G2M Radeon HD 6870 1GB 256-bit GDDR5 PCI Express 2.1 x16 HDCP Ready CrossFireX Support Video Card with Eyefinity

( IF I left anything out let me know)
3 answers Last reply
More about first time build problems
    Here's a few pointers. I would also check youtube. Your issue may be ram or power supply related. Start be reseating the ram or trying each stick in dimm slot one. Then go from there. I also recommend a bare post on wood or cardboard.
  2. I forgot to mention I did reseat the heatsink fan since I somehow did it wrong the first time.
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