Windows 10 freezing from 5820k overclocking at 4.0ghz

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paourissi

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My pc:

i7-5820k overclocked 4.1Ghz 1200V
x99s msi plus
16g ram 2400hz
psu 1000w corsair
ssd 840 evo
gtx 1080 ti

My pc freezes randomly 4/5 times a week. I have tested the ssd and ram and are all fine. I read in forums that they achieved stability with only 1.100v at 4.1 ghz. Should i increase the voltage more or is something else is wrong? Is every chip so different? Also i ran aida64 for 2 hours and show no errors.
 
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JalYt_Justin

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The real test is reverting your overclock and seeing if you freeze again. Yes, every chip is very different and each chip requires different voltages to reach the same clock speed. Increasing voltage might help but you have to make sure it's the problem by reverting your overclock.
 
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bjornl

bjornl

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You can experiment with higher vcore. Max safe is 1.3.

Temps matter also. What temps are you hitting? What cooler are you using?

If you revert, don't for get to re-set the bios so you don't overvolt it and you should resolve it. Overclocking is s not with out risk. If a system is not stable, the first thing you should do is drop the OC down a level. If it is freezing, your OC for that CPU at that vcore is too high. Raise the vcore or lower the OC (or possibly fix your cooling).
 
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paourissi

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Maximum temps are 65C. My cooling is Noctua dh-15. I will try resetting my bios. Although i might not have the correct values to oc my cpu. Is there any guide exactly with my rig? Vcore is not the only thing that matters.VCCIN and other settings are important, right?
 
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bjornl

bjornl

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You're right. I recalled my temps being lower. I just checked and with approx ~1.282v and 4.5ghz I get 75c. Perhaps the last time I checked it was colder.

But, it was a very mild OC with very low voltage, I haven't tried such a low OC nor such a low voltage.


 
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bjornl

bjornl

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It doesn't really matter why it is failing. What is important to remember when overclocking is that when it does fail you have to do one of these:
1. Lower the overclock
2. raise the voltage (unless it is already too high, and yours is not)
3. improve the cooling.

Arguing with your PC that it "should" work is pretty much a waste of time. Your PC does not care.

Your option to revert to stock is the ultimate version of #1 and should fix things for you.
 
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paourissi

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So i did revert to stock everything and 1 week later again my pc froze. My memory sticks didnt come from a kit. I bought one and months later i bought the other. So it might be memory. What do you think?
 
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JalYt_Justin

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Well, that might be the cause of the problem then. RAM of different kits, even if they're the same model, isn't guaranteed to work. If you can, try to buy a full kit, or if you don't want the instability, use only 1 stick.
 
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bjornl

bjornl

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Your platform (x99) isn't one that is particularly sensitive to ram timings like (for example) Ryzen. But, it is possible that it is your ram. Have you tried aida64's ram stress tester? I prefer it slightly to memtest64.
If it is your ram, you will be able to crash your system while stressing it.
 
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paourissi

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I ran aida64 for 2 hours. Nothing happened.I might buy a kit 2x8 ddr4. Lets see how it goes.

 
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bjornl

bjornl

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That is a very through test. Makes me think it is "probably" ok.

Is there any commonality to when these crashes occur? Are you doing the same thing when it happens?

 
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