[Worst Moment] PC Shutdown during games...

if the machine crashes and does a crash dump then event viewer would help but if it just shuts down imediately then there is no dump file to diagnose from

Take it you tried another psu>?

also high temps on that card can you not place a fan blowing directly onto them and one behind them blowing the heat towards the back of the case see if that helps lower the temps

It did for me with 480GTX in sli and we all know how hot they can get lol
 
Reboot PC, press F8 for the safemode menu and select "Disable automatic restart on system failure". If its blue screening it'll show you.

Also, run something that logs your temps to a file so you can check them after. Also, make a note of what hardware reboots at what temp. e.g. 75/80°, check GPU also.

Also, try another game, it could be the game causing the issue with a driver problem or just a bad patch etc.

Sorry if you done some of this, I've not read everything word for word.
 
A H A !

I may have found a primary problem:

ATX 24-pin connector from HX1000W
photorr.jpg


photo2xw.jpg


There is only 23 wires/pins in the connector !
 
D'oh! I thought I'd found the issue too.

Back to the drawing board then.

Reseating the Noctua as I wasn't happy with the CPU temps. Will alter airflow in the case and swap gfx around to monitor gpu temps!
 
99'c on GPU1 will probably be doing it.
Take the top card out for a little while and play dawn of war for a while . see if it crashes

It could well be a heat issue.
 
The Temps are ranging across the 3 readings on each card...

The Temp3 Sensor is always the highest temp, reaching 100'C briefly, whilst Temp1 and Temp2 are around 92-96'C.

These occur primarily on the first card, regardless of which one is seated in the first PCI-E slot. The cards have 3 x Vipers blowing air directly onto them; 2 Vipers are blowing directly across the width of the card, whilst 1 x is blowing directly along the length of the card.
 
Your Corsair HX1000 is essentially 2 500W PSUs in a single box (well it has 2 12V rails rather than the more common single rail design). Check very carefully to make sure that each GPU is getting power from a separate 12V rail, because if they both get power from the same rail, it's output will be exceeded, and a shutdown would be likely (especially if other devices are also using that rail, in which case you've essentially got a 500W PSU).
 
HazardO said:
Your Corsair HX1000 is essentially 2 500W PSUs in a single box (well it has 2 12V rails rather than the more common single rail design). Check very carefully to make sure that each GPU is getting power from a separate 12V rail, because if they both get power from the same rail, it's output will be exceeded, and a shutdown would be likely (especially if other devices are also using that rail, in which case you've essentially got a 500W PSU).
Click to expand...

I think I was reading this last night - basically the modular PSU has the pre-wired ATX 24pin and ATX 8pin alongside 2 x 6(+2)pin PCI-E cables.

The issue comes about when the additional PCI-E cables are plugged into the 12v1 modules I think? The same as the original PCIE connections.
 
As detailed below, this is my system running Prime 95 and FurMark simultaneously. I have the case side off, with 2x 12v Vipers pumping air directly at the Graphics Cards. I also have a substantial desk-fan blowing air (ambient of 17'C today) directly at the interior of my case.

hwmon1.jpg


During several games, I have watched the temperatures rise to this same temperature and then restart the machine shortly afterwards - presumably when it reaches 100'C. The GPUs actually have a manufacturer defined thermal limit of 95-97'C, so this is well in excess of that threshold.

photomy.jpg


The photo above is my system currently - this setup of airflow produces the lowest temperatures for CPU, Motherboard and, ironically, Graphics - keeps it ~90'C for a few minutes longer before going higher. Bearing in mind this is both with the case side on AND off, including a desk fan blowing at the graphics cards.

The graphics cards generate too much heat - whether in place as an individual card (with the other removed) or in Crossfire. I have tried all combinations, and each results in overheating and restarting of the PC.

As a reference, I have used 2 x 5870s from my other system in this case, and they produce a max temp in 99% load of 83'C in Crossfire. Even lower in single card setup.
 
My computer is now inherently unstable... BSOD even during idle in Windows. I have reinstalled the OS twice on different drives, reinstalled the GFX drivers and re-downloaded them three times.

I have reseated the graphics cards and run them individually. This is pretty damn annoying now.

photo1sq.jpg
 
surely that atikmpeg.sys is an AIT driver error or card problem.

Can/could you try/borrow another card at all?
 
If I were you, take one of the graphic cards out for now. See if it crashes as often - if it does, completely reinstall the latest ATI drivers and see how it goes with reinstalled drivers on a single card.

If it crashes with that card, put the other card in, see how often it crashes again. Again, reinstall the drivers if it keeps crashing.

If both cards fail, then see what the latest BIOS available is for the motherboard, and update if need-be. Again, see if that helps.

Keeps crashing? Uninstall the graphic drivers, and chipset software then reinstall the chipset software before the graphic drivers.

If the above doesn't work, I can only put it down to hardware. :(
 
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