Pc reboots while playing games

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mouserrz

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Oct 23, 2013
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I've been having this issue with my pc, for quite some time now actually but as I have been very busy with my studies and stuff it hasn't bothered me that much. However the problem still persists and I'd like to solve it now.

I've had a costum pc built with intel i7 3770, geforce 660 ti, 16gb ram.. Either way its a nice machine and it works perfectly. But I cant play games on it, there are a few exceptions like Diablo 3, hearthstone and trackmania nations but pretty much on every other game I play it restarts the entire pc after a while, usually not too long. To name a few examples: Starcraft2, Dota2, Neverwinter, League of legends, Smite and defenitly a few more..

I have sent the machine back to the store I got it from and they tested all the hardware, nothing seems to be wrong. I sent it to a second store which checked the hardware, nothing was wrong. I have checked the temperatures and it none of the temperatures go over 60 before crashing.

Event viewer shows a Kernel 41 system error..

I have updated all drivers and tried a bunch of different drivers for my video card. None of it has worked so far. Reinstalled directx, nothing.

I tried running stuff as administrator or in windows xp service pack, because hey who knows it might be windows7 bugging out, but no..

I'm running out of ideas..

I hope someone has a new approach to this problem and maybe eventually even a solution even though my hopes on solving this have vanished quite a bit.. :(
 
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jay2tall

jay2tall

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Apr 9, 2007
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I had a very similar issue with an old AMD 5780. I finally figured it out to be the VRAM on the card. Is the card OCed at all, or is it an OC model at all? You can try running something like MSI Afterburner and forcing the VRAM to run at a slightly slower clock. I did this on my 5780 and it ran perfectly fine on the games that it crashed on. I sent it back under warranty 3 times before ASUS finally listened to me and what I had to do to get it working. They test it with 3DMark, which ran fine for me and them, but half my games crashed within 15-30 minutes of playing. At the end of the day they ended up sending me a 5790 for my trouble, oh darn. If underclocking the VRAM doesn't help, try the GPU speed. either way, if this proves to be the issue, send it back. I would think it would still be under warranty.

Just a thought to try. If your desktop is functioning fine and it's only in game this could be why. In 2D it clocks everything down so you would never have an issue on your desktop.
 
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mouserrz

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Oct 23, 2013
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Hey there jay2tall, I remember someone stating exactly this about half a year back, I have actually tried exactly what you're suggesting ( to run it at a slightly lower clock, I could give it another go with slightly different settings but it seems a waste of time as I've already tried, even remember following a guide to make sure I didn't put in wrong settings.. ) and that didn't solve the problem either unfortunatly.

Also I have not overclocked anything in my build.

edit: Would be willing to try again though, perhaps you could help me out with the settings?
 
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jay2tall

jay2tall

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I think I dropped the GPU by 100MHz and then the VRAM by the same. The GPU did the same thing, but dropping the VRAM fixed my issue, so I sent it back.

The only other thing you could try is if you have a buddy with a card you can test with. If you don't crash with a different card you know it's the card.
 
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mouserrz

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Oct 23, 2013
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Okay, so how exactly do I go about doing this? I can monitor the gpu memory usage, but I can only adjust 5 values. Which are core voltage, power limit, core clock, memory clock and fan speed. I dont want to tick the wrong thing and risk blowing the entire thing up so please be specific :)

edit; I think what I tried last time was to turn core clock and memory clock down by a small percentage..
 
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jay2tall

jay2tall

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Apr 9, 2007
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You'd turn down the Memory clock. I think you can do this with the new cards. I believe is goes by the additional clock speed, not the actual clock speed. Like it would say +0 and you could lower it a bit. I'd start with the Memory clock at -100 or if it doesn't allow it that low, as low as it can go.

You won't blow it up as long as you don't crank up the core voltage. The power limit is just the "power governor" that sets at what TDP% it will start to throttle down. I have mine cranked to 132% and just let it ride since I don't touch the voltage at all. The Core clock is your GPU speed and Memory clock is your VRAM speed changes.
 
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M

mouserrz

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Oct 23, 2013
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Okay, well I tried it at -100 and as I expected the restarting problem still persists. I could try some different settings but I dont think it'll solve it so other ideas are more then welcome.

Thanks jay2tall!
 
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jay2tall

jay2tall

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Apr 9, 2007
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Was this on the Memory and then tried on the GPU? Just verifying.

The only other thing you can do is swap out your card with a known working card to see if you have the same issue. At least that would verify if its a RAM or CPU issue, which I wouldn't think it would be. The only other thing I can think of is to try and exercise your warranty and get a replacement card.
 
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