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BSOD after OC'in i7-6700k

post #1 of 28
Thread Starter 
  • What happened? Received BSOD after OC'ing my new i7-6700k

    MOBO: msi gaming z170a-g45
    RAM: Corsair Vengeance LPX 2400mhz 2x8gb
    GPU: R9 390 PCS+
    psu: EVGA Supernova 750w fully modular/ 80+ gold
    H80i V2

  • Are you able to reproduce this problem consistently? Anytime I would adjust settings in BIOS for cpu ratio and voltage and restart with those settings I would get the BSOD( System service exception). I started my cpu ratio at 4.5mhz and put the voltage at 1.300. After receiving the BSOD I would adjust the voltage up to 1.35 and after another restart just went to default and same result.

  • What steps did you take to reproduce this problem?

  • What action did you expect to occur when this bug appeared?

  • Any additional information that will help us diagnose the issue: I didnt troubleshoot all too much( being as i've never OC'd before), but I removed the pump(H80i) from the cpu and removed old thermal paste and reapplied new paste on both the pump and cpu, moved the ram from different slots( Corsair vengeance LPX 2400: 2X8GB)

  • Browser, active browser addons, and operating system: Win 10 64bit

  • URL where the issue occurs:

Edited by idigscars - 7/9/16 at 1:40pm
post #2 of 28
I know what I'm going to ask might sound so trivial and stupid at the same time, but I'd just like to close the door on that before digging deeper: you mentioned you're getting the BSOD anytime you change a bios setting, have you tried putting in a lower clock frequency, say 4.3 GHz? Because for instance as a silicon lottery loser I know my lousy 6700K wouldn't even boot at 4.5 GHz with anything lower than a 1.37 Vcore.
post #3 of 28
Thread Starter 
Lol Not trivial by any means at all! However, I will try that, but jesus does the silicon lottery really cause that much of an issue? The damn turbo frequency is 4.2 and to tell me I can only go up .1ghz?!?!?!?!
post #4 of 28
Well, chances are you may have just ended up with a very poor chip, perhaps even lower than mine unless you can boot at 1.37 V. Give it a go after trying 4.3 GHz first.
post #5 of 28
Thread Starter 
Could having intel turbo techonolgy or the v-dt(internal gpu) off could help?
post #6 of 28
Honestly, I don't know whether setting a fixed high clock or letting the turbo boost get you there only during the load has any effect on the stability but I've got mine at least with the turbo boost enabled.

Edit: iGPU off might be a good call anyway
post #7 of 28
Thread Starter 
What's the highest Vcore do I want to avoid?
post #8 of 28
Originally Posted by idigscars View Post

What's the highest Vcore do I want to avoid?

That would be around 1.45 V for Skylake as far as I reckon.
post #9 of 28
Thread Starter 
Thanks im going to give it try
post #10 of 28
1.45V @ 4.6GHz is conservative. You can probably go 1.48V @ 4.6GHz without any problems. If you don't want to risk your machine, lower your OC between the ranges of 4.1 to 4.5 then play with the volts in +0.01 increments until you find a stable OC.
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