sudden instability issues and increase in temps

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21 Nov 2012
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127
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Glasgow
Hi all

I've run into some issues with my rather old gaming rig.
In the last week or so it has started becoming extremely unstable with temperatures that previously peaked at 45-50 degrees now hitting 70-80.

I have the following parts:
I7 3770K was running a corsair H100 now has an Asetek 240mm extreme
Asus Z77 Deluxe-V
4x4Gb corsair XMS3 pc16000C9
Corsair AX1050 PSU
EVGA GTX 980 ACX 2.0 FTW

While gaming one night it started crashing repeatedly so I dropped my overclock from it's usual 4.6 (it's been there for years with no issue) down to 4.4 then 4.2 and finally to stock and still it was running extremely hot with no additional voltage. It still crashed repeatedly with games either dropping right back to desktop or the rest state warning and reboot.

Assuming this meant my H100 was either running dry or plugged/failed I bought an Asetek 240mm extreme and fitted this along with some fresh thermal grizzly Kryonaut compound.
Sadly this only netted me a couple of degrees improvement. I think possibly due to the fresh thermal compound more than anything. I've checked and re-flashed the BIOS and dropped it back to the fail safe defaults and I still get crashes every half hour or so with nothing obvious to figure out what is causing it. Though the cpu temp remains very high.

I did spot something that I think could be an issue while running HWmonitor as I was stresstesting with prime95. Voltage is currently set to manufacturer default within the BIOS, but it is reporting Vcore @ 1.360V when at full load. it's been years since I applied the overclock so I'm unsure but this seems higher than I think it should be?

The last error statement that showed during a blue screen was critical_structure_corruption

Is it worth giving the board a look over with an FLIR to see if it's potentially a VRM failure?

Any suggestions/ help would be greatly appreciated!
 
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I'll give this a shot tonight. planning on giving it a once-over with a thermal imaging camera as well to put my mind at ease.

It just seems odd that the temperatures have increased in such a dramatic fashion.

Thanks!
 
I've run one stick of ramm in every conceivable combo working through all the sticks. Nothing seems to solve the problem. still crashes after about half an hour of gaming. I've had a look with my thermal imaging camera and theres nothing that particularly stands out with the highest visible temp on the motherboard around about 50-52 degrees

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Sorry I forgot to change the units :rolleyes:
 
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