GA-Z68XP-UD3 & GTX 570, no display after windows start

Okay, so new build full specs at the bottom, but the relevant parts are Gigabyte GIGABYTE GA-Z68XP-UD3 and MSI N570GTX Twin Frozr III PE/OC GTX 570.

When I have my GPU in the first PCIe slot, I can start windows no problem with the generic VGA drivers. Once I install the nVidia drivers, I POST fine, and I get to the windows start up screen. I make it all the way through the first bit (with the black background), to the second stage with the blue background and loading spinner. After a couple seconds of that, my screen goes black and I get 'No Signal' on my display. I pulled that GPU out and tried again with my old GTX260 with somewhat similar results. I could boot to windows fine with generic drivers, but after installing the 'real' driver, my PC would freeze during the first stage of windows start up.

Then I put the 260 in the second PCIe slot, and it worked fine with the nVidia drivers. Popped the 570 in that slot too and all was well. I did notice that the 570 is only running at PCIex8 in the second slot, but I'm guessing that's the design of the board. Also, just to throw it out there, I tried both cards in both slots with varying configurations of my PSU PCIe plugs, so I'm pretty confident that that's not an issue. I also flashed my motherboard BIOS to the latest version from gigabytes website ( z68xpud3.f8 ). Anyone have any ideas of something else to try?

I really don't want to RMA the board, so I'm hoping ( but not hopeful ) that it's a configuration issue.

Here's the full system specs:
OS: Win 7 Ultimate x64
CPU: Core i5-2500K with Hyper 212 Plus cooler
GPU: MSI N570GTX Twin Frozr III PE/OC GTX 570
RAM: CORSAIR Vengeance 16GB (4 x 4GB) ( CML16GX3M4A1600C9 )
5 answers Last reply
More about z68xp display windows start
  1. Have you tried booting with the NVIDIA device driver installed but with Aero turned off?
  2. Yeah, same issue.
  3. where did you get the driver?
  4. For the 570 I tried downloaded the latest from nVIDIA (285.62), I tried the one on the disc that came with the card (266.??), and I also tried the one from windows update (27?.??). For the 260 I used the built-in one that came with windows 7, as well as 285.62.
  5. in device manager can you see the present driver version for your 570?
    usually should do "uninstall" the later driver and "install" the earlier driver or the driver will be kept as it is the latest update.
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