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Fed up now...

'Fed up now...'

If I'd have had this problem for as long as you've had mine would have gone out the window by now. You must have the patience of a Saint dude.

Only thing I can offer is I had a TDR problem on my last machine and I got rid of it by replacing the gpu card. Running everything at stock, new psu, new memory, new board. Same as you. Game would crash, sound would loop, machine would restart.

It would have been out the window but the case weighs 20KG empty, properly 30-35KG full lol...
 
A few suggestions.

Run memtest.

Install your OS from another drive.

Pull every non essential piece of hardware.

I'll try memtest, haven't tried that yet, What do you mean by "Install your OS from another drive."? do you mean install the OS using another optical drive, or install onto another hard drive? Either way I've tried both.

Not really a lot of hardware to pull, Could remove the storage HDD, but issue occured before I had it and it doesnt really have anything on it atm, got a bluray player I could remove and thats about it... everything else is needed.
 
Memtest passed, just over 140% coverage, no error's at all. I think I'll install 32Bit W7 tomorrow.. if I'm still getting issue's I'll properly just sell the parts I know 100% work, The parts I'm unsure about I'll either RMA or try and test myself... and then just start again, GF may kill me if I spend anymore money on the PC though lol.

This is really annoying though, spent soo much money and can't play any games.

Thanks for all your help so far guys I really do appreciate it.
 
Well the only way to find the problem is :
1x motherboard
1x cpu
1x memory stick
1x hdd
1x optical drive and somebody elses W7 disk/your W7 32 bit disk
1x nvidia drivers
1x 3d application
1x power supply

No other hardware OR software. Until this combination works there is no point plugging/installing anything else. It may also be possible you have damaged/have a faulty cpu, I would like to see it working in somebody else's pc playing a game.
 
Did you have the same cpu when you had problems with the 5850's ?

Tried a different power socket / another room ?

I'd try that, and a different kettle lead aswell, and a different surge protector.

Using any adaptors in there, ide to sata, fan cable adaptors, I'd drop the fan controller just incase something broke or is being overloaded and decided to draw too much power, causing the psu to reset or something.

Go into mobo bios and disable every last unessential onboard thing, sound, network, everything you can get away with.

Beyond that the CPU seems to be the last thing you haven't replaced so I'd consider that, I take it with watercooling you were overclocking before? It might just have lost a little stability, I'd try stock speeds with increased voltage, whatever you were using when overclocked maybe.

What kind of airflow do you have in the case normally with watercooling around the CPU, do you have enough cooling for the CPU vrm's, chipset heatsink?

I'd try dropping memory timings a little but not too much, try 2t command rate.

lastly software wise, I'd try a fresh install with minimal stuff added, and a 3d app, however I'd do all the windows update, download the direct x installer and make sure thats up to date aswell and any patches for game/benchmark to make it as up to date as possible.
 
'Fed up now...'

If I'd have had this problem for as long as you've had mine would have gone out the window by now. You must have the patience of a Saint dude.

Only thing I can offer is I had a TDR problem on my last machine and I got rid of it by replacing the gpu card. Running everything at stock, new psu, new memory, new board. Same as you. Game would crash, sound would loop, machine would restart.


I would have kicked it a few time as well lol.

If you have tried everything but windows looks like your going to have to do a re install or the other copy you have
 
Hey guys, thanks for all the replies!

After work I'll take everything non essential out and also disable anything non essential, Then I'll re-install W7 using my 32bit CD and just install the latest drivers, updates and UH 2.5

I was eye-ing up the i7 960 before, but don't want to buy it if its not going to solve the issue, my current 920 has been through some hard times, I've pushed 1.5V through it for a 4.6Ghz validation whilst on air (TRUE + Push - Pull Fans) most of its life its been at 4.2Ghz @ 1.4V

I'll take a pciture of the PC later to show you how the fans are positioned...

EDIT: I have tried setting the PCI-E voltage to 100, also tried 101, but no joy. Also tried a different kettle lead, but haven't tried without the surge protector.
 
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Do you not have a friend with a compatible cpu you can try? Have you tried running the system on a bench, so you're eliminating the case as a problem?

Also, make sure you're running a legit copy of windows. I'm not accusing you of anything, but I've seen similar threads to this where that turned out to be the problem.
 
I though 1.45 was the highest a Q9xxx series should be put up to, so I assumed the 920's would have had a lower safe limit than that?
Try it outside the case as said above, might be soemthing shorting randomly.
try the 32bit win7 dvd, or download a copy onto a usb key from digital river.
2t command rate is standard for most RAM afaik so set it to that and see what happens.
Borrow a CPU from a friend or a kind soul in the MM to test your rig.
 
Forgot to mention that i've tested the pc outside the case and still had the same issue, and yeah my windows is legit.

Thanks for your offer mothermachine, however I don't think I have access to the MM as I don't have enough posts...

I think the max safe voltage for a 920 is 1.36V?? so maybe I was pushing it to hard.
 
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