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6700k Overheating

Thedandyman
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7 hours ago, Tech Wizard said:

No need for a fresh Windows installation. Your problem is voltage. It's set to automatic, which means it will feed the CPU the voltage it requires, and even more (overvoltage). That means of course that you're getting a lot more voltage than needed, as well as heat. Some stresstests jumps SKYHIGH with automatic voltage (for example Prime95, jumps up to like 1.400V if it's set by automatic). Try setting your voltage to manual, and start with 1.250V. This should prevent temps spiking like crazy :)

 

Reply to me if you need help with voltage/bios.

This is exactly what I did right before coming here and seeing your comment haha. I rolled it back to 1.2v and ran a stress test again to test stability and temps and i maxed out at 60c being what I seen most people get. Thank you though for reassuring my hunch i had. I think because its a z270 board and a 6700k it was designed for kaby lake being more power hungry cpus, at least from what I've heard, and defaulted to that. You sire, you are truly a tech wizard

Posted

Im new to the forum, but i just upgraded my computer to have a 6700k and a gigabyte z270 k5 motherboard (already had the processor). But after firing up the build i noticed temps were higher than expected, im using a corsair gtx h100i and the included static pressure fans with the unit but seeing idles spike from 32 to 47c quite infrequently and when trying a stress test without an overclock i hit 90c within 5 seconds of the test. This is extremely alarming to me, so i tested a different cooler thinking it was the pump but still shot up there within seconds. Im very worried that theres something wrong here and the temps are far out of my comfort zone from my 3570k being around 45c at full load.

Please help!! im going to try more and do more research on my own, but anyone else running into the same problems that fixed it would be a huge help. Im thinking of trying to go into the bios and tweek the cpu voltage to take it down thinking possibly theres too much voltage going to the cpu, but it shouldnt since its stock speeds out of the box. Please someone help.

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Mine is running at around 40 degrees with the stock heatsink - i know, shudder - i know it sounds stupid, but i did this once, is it near a heat source? and or cpper tubing leaving or going to one? is the wall hot? I ran mine agains a wall getting relly high temps when under load, just cause of a copper pipe next to it.

are you air or water cooling?

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5 minutes ago, liamdoyle27 said:

Mine is running at around 40 degrees with the stock heatsink - i know, shudder - i know it sounds stupid, but i did this once, is it near a heat source? and or cpper tubing leaving or going to one? is the wall hot? I ran mine agains a wall getting relly high temps when under load, just cause of a copper pipe next to it.

are you air or water cooling?

Possibly, I pulled it from the wall and don't think it helps its water cooled too so I don't understand why

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No need for a fresh Windows installation. Your problem is voltage. It's set to automatic, which means it will feed the CPU the voltage it requires, and even more (overvoltage). That means of course that you're getting a lot more voltage than needed, as well as heat. Some stresstests jumps SKYHIGH with automatic voltage (for example Prime95, jumps up to like 1.400V if it's set by automatic). Try setting your voltage to manual, and start with 1.250V. This should prevent temps spiking like crazy :)

 

Reply to me if you need help with voltage/bios.

Main:  1650 v2   @ 4,6GHz   -   X79 Deluxe                -   GTX 1080 @ 2000MHz   -   24GB DDR3 @ 2400MHz / CL10

Side:   i7-4790K @ 4,5GHz   -   Maximus 7 Hero        -   GTX 1070 @ 2114MHz    -  16GB DDR3 @ 2666MHz / CL12

 

HWBOT

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7 hours ago, Tech Wizard said:

No need for a fresh Windows installation. Your problem is voltage. It's set to automatic, which means it will feed the CPU the voltage it requires, and even more (overvoltage). That means of course that you're getting a lot more voltage than needed, as well as heat. Some stresstests jumps SKYHIGH with automatic voltage (for example Prime95, jumps up to like 1.400V if it's set by automatic). Try setting your voltage to manual, and start with 1.250V. This should prevent temps spiking like crazy :)

 

Reply to me if you need help with voltage/bios.

This is exactly what I did right before coming here and seeing your comment haha. I rolled it back to 1.2v and ran a stress test again to test stability and temps and i maxed out at 60c being what I seen most people get. Thank you though for reassuring my hunch i had. I think because its a z270 board and a 6700k it was designed for kaby lake being more power hungry cpus, at least from what I've heard, and defaulted to that. You sire, you are truly a tech wizard

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2 minutes ago, Thedandyman said:

This is exactly what I did right before coming here and seeing your comment haha. I rolled it back to 1.2v and ran a stress test again to test stability and temps and i maxed out at 60c being what I seen most people get. Thank you though for reassuring my hunch i had. I think because its a z270 board and a 6700k it was designed for kaby lake being more power hungry cpus, at least from what I've heard, and defaulted to that. You sire, you are truly a tech wizard

So no more crazy jumpy spikes anymore? :P
Glad to help :)

Main:  1650 v2   @ 4,6GHz   -   X79 Deluxe                -   GTX 1080 @ 2000MHz   -   24GB DDR3 @ 2400MHz / CL10

Side:   i7-4790K @ 4,5GHz   -   Maximus 7 Hero        -   GTX 1070 @ 2114MHz    -  16GB DDR3 @ 2666MHz / CL12

 

HWBOT

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