So I have two GeForce Go 7950 GTX SLI on my laptop. Before everything was fine and I could see two video card in my device manager and also I had a SLI option in the NVIDIA control panel, as well as two temper. Readings were seen in the Nvidia Monitor.

Since some time ago (im not sure when the issue actually started) I noticed that I only see one video card in my device manager, no more SLI option in control panel, and NMonitor only gives reading for one card. So my first guess is that one of the two cards burned out.
However!

The fans still work on both cards and obviously heat is coming from both card. No burn marks, no smell, I didn't drop the laptop, I always keep in dust free and I never let it overheat (I got a good cooling system).

I updated my drivers, and even went back to original drivers. Somebody said that it might have gotten disconnected or something, but if the fans are working and I didn't drop it or anything like that, how could it gotten "disconnected".

Any thoughts?

Update:

I play a lot of high end graphic games, and I don't notice any performance issues since this problem started