Question my new gpu (gtx 550 ti) is not displaying

[Razormc06]

My new gpu that I had bought which is the ASUS GTX 550 ti does not display any image but the fans spin. My old GT 710 works but the GTX 550 TI does not want to display any image
PC specs:
CPU: i5-3340 3.2Ghz
RAM:12Gb RAM DDR3 1333Mhz
Motherboard: 0GXM1W
PSU: 500w Thermaltake
Someone pls help me.

 

[afratafri202]

Did you plug the 6pin correctly?