runaway temperature on i5 760

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ploppy

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Nov 28, 2013
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10,510
After transplanting my system into a new case (thermaltake urban s71) in anticipation of a new, larger video card, I have been experiencing shutdowns which appear to be related to the temperature of my CPU.
Even running a bare-bones system (motherboard, GPU, RAM) and idling in BIOS, the temperature in the CPU will reach 80C within 2-3 minutes of being turned on, and which point the system powers off.
My specs are:
Asus p7p55 lx (LGA 1156)
Core i5 760
8gb Kingston DDR3
Gigabyte GTX 460
Corsair hx 650

I've read about some people having heat troubles with that motherboard, but nothing that matches my issue. Ant help would be greatly appreciated.
 
Solution
D
It is possible that the last time you over-applied thermal compound, and if it is conductive, it shorted something. Was it only on the CPU? What was the brand that you used?

Changing the motherboard will definitely solve your problem.
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Deleted member 1330443

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You should check the voltages in the BIOS. Also, try to monitor your voltage with CPU-Z. See if there is some instability. Otherwise, try to repaste the CPU.
 
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ploppy

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Nov 28, 2013
4
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10,510
Thanks for the tips. I've redone the thermal paste as suggested, and also set the CPU to run at one core, both of which seem to have delayed the shutdown somewhat, but not enough to get into windows and install CPU-Z. The voltage reading in BIOS did seem fairly stable at about 0.85V, though.
Is it possible that the thermometer in the CPU is simply faulty? I noticed only a very slight amount of warmth in the area as I was scraping off some of the old paste. If so, is there much that can be done about it?
 
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P

ploppy

Honorable
Nov 28, 2013
4
0
10,510
Thanks for the tips. I've redone the thermal paste as suggested, and also set the CPU to run at one core, both of which seem to have delayed the shutdown somewhat, but not enough to get into windows and install CPU-Z. The voltage reading in BIOS did seem fairly stable at about 0.85V, though.
Is it possible that the thermometer in the CPU is simply faulty? I noticed only a very slight amount of warmth in the area as I was scraping off some of the old paste. If so, is there much that can be done about it?
 
Upvote 0 Downvote
D

Deleted member 1330443

Guest
It is possible that the last time you over-applied thermal compound, and if it is conductive, it shorted something. Was it only on the CPU? What was the brand that you used?

Changing the motherboard will definitely solve your problem.
 
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Solution
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ploppy

Honorable
Nov 28, 2013
4
0
10,510
If anything, it was probably not enough the first time around; just a small blob on the centre of the CPU, not covering the whole contact area between the heatsink. From memory, i think it was preapplied to the default Intel heatsink that came with the CPU.
I'll try playing with it a bit more, but it looks like I might have to start researching some new toys. Cheers again for all the help.
 
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