Unstable overclock? (i7 4790k)

thisuseralreadyexists · May 22, 2018

I dont know whats wrong with my overclock (4.6 @1.26v).
It passes stress tests like prime95(i know prime95 past 26.6 isnt that great for tests) and realbench but i get random crashes when just browsing something like youtube or twitch. (not a bsod just a complete crash)
After stress testing yesterday i decided to game on it and see if i would have any issues and i didn't. I played csgo,fortnite,gta5,arma3 and i had no issues. It seems the crashes are completely random. What could be causing this? I am VERY new to overclocking so maybe there are other settings in bios i overlooked. From what i know all i changed was the core voltage and the clock speed and set it to override instead of auto.

System Specs
MSI g55 z97 SLI
i7 4790k
gtx 970
550w psu
16gb 1600mhz corsair vengeance
Corsair h110i GT
samsung 840 evo 250gb
seagate barracuda black 2tb

thisuseralreadyexists · May 23, 2018

My pc just crashed AGAIN (no bsod). I have upped the voltage TWICE MORE (1.265 to 1.27) and stress tested and my pc passes the test but i get these random crashes while my pc is under 0 load. I only had chrome open looking at my email. I dont understand it someone help me please LOL. At this point do i even need to keep upping my voltage? my pc was stable under 100% load when i was at 1.26 but every time i get these random crashes i up it by 0.05 hoping it would fix it.

OCD Tweaker · May 23, 2018

you say it just competently just shuts off not a BSOD (does this happen every time you open crome or twitch

thisuseralreadyexists · May 23, 2018

OCD Tweaker :

Its completely random. It has happened about 4 times so far. Twice when i was doing absolutely nothing on my pc and twice when using chrome. It just black screens and resets my PC.

I also did a 1 hour stress test on the same settings that gave me a black screen and it passed

OCD Tweaker · May 23, 2018

its doing that because you have a 2 cores hiting 80c you packages and core 1 are hiting 80c you computer will shut off when it gets that hot unless you have disabled that... but you should not let your CPU get that hot

thisuseralreadyexists · May 24, 2018

OCD Tweaker :

This cannot be the problem. I said that the crashes were completely random. I stress tested for an hour and my pc didnt crash. During the times that my pc did crash it was under 0 LOAD. My idle temps are 24 - 30c depending on how hot it gets outside. My pc never even gets close to 80c unless im intentionally stress testing it

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Unstable overclock? (i7 4790k)

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