Okay, a little background first. I got my tax rebate and decided to use part of it on upgrading my aging E6700 + Geforce 8800 rig I built back in '06 or so. So I bought a new gigabyte motherboard (with the B3 SATA fix), an i7 Sandy Bridge 2600, EVGA Geforce 570 GTX (Fermi) (non-overclocked version), and 2x4GB of corsair 1600 MHz RAM. When I got it, I experienced some instability (crashing in many games, BSOD every 30 minutes or so of BF:BC2) which I tracked to the RAM with the help of my roommate. I initially thought it was my power supply, and replaced that, but it still occured, so I let Memtest do more than 1 full set of tests. It came up with errors but only after 6-7 full passes, so we swapped RAM for kicks as we both have the same frequency of DDR3, and wham-bang BSOD in BFBC2 on his comp while mine worked fine. Ok, cool, just some bad RAM, right? RMA that sucker.
I borrowed 1 2GB stick of his 1600MHz RAM (he had 3, but his mobo only supports dual-channel RAM, so I assume he just runs them all single-channel. That's beside the point though.) and off I went to play low sys req games like League of Legends, Magicka, whatever. This worked great for about a week. Suddenly, last night, I was playing magicka online with some friends, and suddenly the screen goes black, sound starts looping, and my monitor gives a no signal. I had to reboot manually, and now ANY game that uses 3D and even Furmark all cause the same issue the instant the 3D portion loads; basically I can go to a menu or whatever but the instant I get in game or to somewhere with 3D it black screens and I have to reboot. There is no overheating going on from what I see, I have not overclocked anything on my system.
So, before I RMA my graphics card, what is there to try?
I have reinstalled my drivers. Event viewer does not show any errors relating to the crash. DxDiag shows no issues, although once it gave me a strange error about not recently not being able to access direct3D, but when I clicked retry on the dialogue, it did not have the problem again, and I have not been able to reproduce it. Otherwise, I'm at a loss. I'll probably try reinstalling Direct3D, but I'm doubting that will work. I'm more worried if this is a motherboard issue. Prime95 runs perfectly stable and my temps never break 72C on my CPU. I can't really load my card anymore but I'm fairly certain it never overheated; The fan is fairly loud and I would have noticed it spinning up, and I immediately checked temps after the initial crash. They were around 60-65C. Tonight I will also throw my old card in to see if it works alright.
Operating system: Windows 7 x64 Professional; 100% legal copy.
MB GIGABYTE GA-P67A-UD3-B3 P67
VGA EVGA 012-P3-1570-AR GTX570
CPU INTEL CORE I7 2600 3.4G 8M
MEM 4 GBx2 CORSAIR CMZ8GX3M2A1600C9
Currently it's some 1600MHz RAM from my roomie, until the RMA comes in. I'll ask what brand when I get the chance.
Creative Sound Blaster X-Fi Titanium (PCI-E x1)
PSU Thermaltake TR2 TRX-650M 650W (I think this is the one. I just nipped down to fry's and made sure I had a minimum of 38A on the 12V rail per the graphics card's requirements. The one I picked up was definitely Thermaltake 650W with 44A on the 12V)
Some 500GB hard drive from 2 years ago, it's probably a seagate but I really dont think it is the problem. Feel free to correct me if I'm wrong here.
voltages are all rock-steady, although HWmonitor doesn't display them correctly, the BIOS and gigabyte's tuner/monitor program show voltages that are easily within 5% of what they should be. (11.925 on the 12V)
The motherboard is XMP capable so I simply used the XMP profiles for both sets of RAM. For the corsair set, they were as expected per the manufacturer (9-9-9-24 @ 1.5V). The temporary set is also low voltage but I'm uncertain if the timings are correct. I did use its XMP profile, however, so I believe it is ok. Again, I will need to ask my roommate for information on the RAM.
I will attempt a 3Dmark when I get home from work. I have remote access to the computer, but if it crashes I will not be able to reboot it remotely.
It's my first modular PSU, so I only checked the card end of the connection withou thinking of the other end. When I went to remove the card and a cord came out with it I knew exactly what the issue was. Guess you can close this topic... Live and learn.