So for the past two days I've been trying to figure this out, with hardly anything to get from it. I'll explain all that I've done with it, now:
-I recently cleaned my LCD screen with a damp paper towel, in retrospect it was probably too wet, as it dripped down the screen pretty fast before I could dry it (stupid move).
-The morning after this happened: while gaming, my LCD monitor (Soyo 24") started to flicker half-a-screen, and I experienced a huge drop in frame-rate (probably around 2 FPS). This continued for some time, until I finally had a chance to shut off the computer.
-At first, I thought it was my video card (EVGA 8800GT): I believe the temperature reading at the time of the problem was around 74 Celsius. I switched my 8800GT for my older 7600GT, and eventually experienced the same thing, except this time I was prepared. I had been watching my frame-rate while gaming, and when it occurred, the frame-rate kept around a steady 40 FPS, but was obviously much less than that from what I witnessed.
-Eventually, after some time waiting, I gave the computer another try, and it lasted for maybe two hours without a problem. It just happened again, with the 8800GT installed, and the same 24" Soyo monitor. This time, I turned the monitor off for a second, then turned it back on: the flicker had stopped.With a DVI connection to an 8800GT, does the 8800GT know when the monitor is turned off or on?
From another forum, a few users say that it may be a problem related to my power supply, or PCI-express slot. I think the issue of the power-supply being the problem isn't very likely, since it's an Antec 650W Triple-rail that's rated to SLI two 8800GTs (in contrast to my one), and it's no more than 8-months old.
As for the PCI-express slot, I'm not very sure. My motherboard is a popular model (Gigabyte GA-P35-DS3L), so I'd like to think that it's not.
Please, does anyone mind helping me isolate this problem? Could it just be the monitor, or am I looking at a more serious problem right now? Any help is appreciated.