GTX 660 SLI NOT WORKING PROPERLY!!

tb474

Honorable
Nov 5, 2012
9
0
10,510
Hey guys... I've built a gaming rig with GTX 660 2-way SLI... and I just figured out that when SLI is disabled the performance is better than when it's enabled which is so WEIRD!!!...and right now um running a single card... so plz I need a solution as soon as possible

specs:

CPU: AMD FX 4170
Mainboard: Asus crosshair V- formula - Z
Ram: 8 GB dual cahnnel (2133) G-Skill Ribjaw
PSU: Cougar CMX 700 W
VGA: GTX 660 Winforce 2-way SLI!!!
OS: windows 7 64-bit


Thanx in advance