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Green haze showing when playing any game

I wonder if anyone can help. I just built a system Z68XP-UD3P
i5-2500K 3.3ghz
2 x 4gb Cosair DDR3 1600
1.5 TB HD (boot drive)
1 TB HD (Data drive)
2 x MSI GeForce GTX 660 Ti OC (SLi)
1250W PSU
LG Blueray
24" Dell 2407WFP monitor
Win 7 Ultimate 64bit Retail version

Motherboard initially has ver F7 BIOS. I upgraded it to U1G which is, as I found out later a beta UEFI for this board.
I have a lot of problems building this machine when I tried to build UEFI win 7 system due to not being familiar with this new UEFI bios. I had posted a few requests here but under different sections. I had gave up building an UEFI win 7 now. The system seems to be stable now running normal win 7 64bit. There has been no error for a few hours.
I proceeded to install Witcher 2 and Mass Effect 3. I had been playing ME3 mulitplayer for a few years now. Recently started to play Witcher 2 again when I saw Witcher 3 is on the way. Then I decided to change machine.
The problem I am having now is that when running Witcher 2, there is a kind of hazy effect. This is similar to having a wrong or low resolution. This is exactly the same effect when I start up ME3. I have checked NVidia control panel. My two cards are running in SLI mode. I have already disabled the onboard graphics and I have not installed the driver for it. Well, I couldn't as windows does not pick it up. So, it couldn't being running the game using the onboard graphics, could it?
I did try to play Witcher 2 even with the green haze but twice now it crashed out suddenly. I would really appreciate if someone can help me here. I have already emailed Gigabyte requesting way to revert the BIOS back to F7. As you all may know, Gigabyte does not provide quick response. I am already starting to look a new motherboard, a new cpu but unfortunately I really don't have the budget for it really. So your help would be greatly appreciated.
5 answers Last reply Best Answer
More about green haze showing playing game
  1. What parts are new compared to before?
  2. bccorrupt said:
    What parts are new compared to before?


    My previous rig was:
    XFX790i ultra SLI
    Q9650 3ghz
    4 x 2gb Crucial memory 1600
    1.5TB boot
    1 TB data
    2 x MSI GeForce GTX 660 Ti OC SLI
    1250 PSU 85% eff
    LG Blueray
    24" Dell 2407WFP
    Win 7 Ultimate 64bit Retail

    I had been using this rig for a few years without any problem. Finished Witcher 2 with it and continuously playing ME3 multiplayer. It just happened that my Mrs' machine that I built had a faulty stock fan, making noise that annoyed her so much. While I was looking for a replacement fan, I noticed that the stuff that I used actually more powerful than my XFX. I bought the components during Xmas sale two years ago. I didn't pay much attention to the details, concentrated on the price, well, I think I had upgrade later at the back of my mind. The spec was:
    i5-2500K 3.3ghz
    2 x 4gb Cosair DDR3 1600
    128 gb SSD
    150 gb data
    650W PSU
    Plextor Blueray
    21" Samsung
    Win 7 Ultimate 64bit Retail

    You can see what I have kept for my new rig.
  3. Best answer
    That has to be the most obscure problem I've seen in a long time. Can you better describe the green haze? Is it artifacts? Low resolution? What does the error log say?

    If no one else can think of anything after this bump personally I'd try taking out one of the cards and then test with just one to see. That should pretty much eliminate SLI and a power issue from being the problem.
  4. bccorrupt said:
    That has to be the most obscure problem I've seen in a long time. Can you better describe the green haze? Is it artifacts? Low resolution? What does the error log say?

    If no one else can think of anything after this bump personally I'd try taking out one of the cards and then test with just one to see. That should pretty much eliminate SLI and a power issue from being the problem.


    Thank you very much for your response. The haze, well, I guess it is not exactly like a haze. The only thing I can think of is back in the old days when I was working in computer shop selling pentium machines running win 95, 98. When it first loaded up after a fresh install, the screen is at 640x480 and running in 8 colours. And when playing movies, the supposedly black area would have bluish or greenish tint. Once setting the resolution to 1024x788 in 256 colours, the movies would come out OK.

    I have just run GPU-Z, the two graphics cards are running in PCI-e x8 V1.1 and PCI-e x8 V2. Using its load test, they changed to x8 v2 for both of them for about 5 seconds, then change back to x8 v1.1 and x8 v2. Not sure if this means anything to you. The PSU is Enermax 1250W 85% efficiency. I don't think it is the problem. However, if there is a power problem, my hunch is the motherboard. I have found a lot of complaint about this motherboard after upgrading to UEFI on various forums.
    Oh shit, just found out that once upgraded to UEFI, it cannot be reverted back to previous version. Oh shit!!! I am stuck now.
  5. bccorrupt said:
    That has to be the most obscure problem I've seen in a long time. Can you better describe the green haze? Is it artifacts? Low resolution? What does the error log say?

    If no one else can think of anything after this bump personally I'd try taking out one of the cards and then test with just one to see. That should pretty much eliminate SLI and a power issue from being the problem.


    This is very embrassing. But provides some help for anyone building a SLI machine in the future, please watch out for the way that the SLI bridge is plugged in. I swapped the bridge around and my machine is now functioning beautifully. With my last machine (XFX 790i Ultra SLI), the brdige has clear marking. So pin 1 on bridge go with pin 1 on card. And if I plugged it in the wrong way, the machine wouldn't boot up. But with this Gigabyte board, it booted up. So I thought I had the bridge in the correct way. And then because I am not familiar with the UEFI bios, I tended to blame everything on it. I wasted so many hours just because I didn't follow the basic rules of elimination.
    By the way, P8Z77-V LX does not support SLI, P8Z77-V LK does. So, I returned the P8Z77-V LX, which worked out quite well for me though I have lost a lot of heart and soul on one stupid mistake. I only slept for two hours last Friday just to went through everything except the bridge. Silly me.
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