Dram_LED showing up

[NEEDHELPNOW_13]

I have a problem with putting Corsair Vengeance LP 8GB ram on Asus M4A87TD EVO. When I install it, it just shows the DRAM_LED, is it because the memory isn't compatable, I'm not sure. What can I do? Sorry this is my first build.

 

[NEEDHELPNOW_13]

My specs are Asus M4A87TD EVO Corsair Vengeance LP 8gb 1333mhz. Evga GTX 550 ti
Corsair HX650 Asus 24B1ST AMD Phenom X4 960t Western Digital Caviar Green 500gb
Cooler Master Hyper 212+