Question CPU cores drop to 800MHz and .6V when I load games.

Aug 21, 2020
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I built my gaming pc about 4 months ago and everything has been running great until yesterday. When i turn on my PC my CPU cores sit around 4300MHz and 1.2V, and as soon as i load a game (I tried both Apex Legends and Call of Duty Modern Warfare) my cores drop to 800MHz and my voltages drop to .6V. I have tried clearing my CMOS. I have made sure my windows and graphics drver are up to date. My computer is in High Performance mode. My CPU Temps are fine (30-40 degrees Celcius). I have also tried doing the ThrottleStop BD PROCHOT trick and that did not work either. When my CPU drops my Frames drop as well. I usually get between 140-170 FPS with Apex Legends and when I load in now they drop between 1-30 FPS. I get around 60 FPS when I stand stand still. This happens with all my games all of a sudden. They are all realy laggy and unplayable. Any Suggestions? My PC Specs are called out below. Thanks!

FYI I bought my motherboard and CPU used, and I believe my CPU was overclocked, but I removed the OC profiles and reset my CMOS. My last option I may try tonight is to take out my CPU and re-seat it and see if it helps.

CPU: Intel i7-8700k 3.7GHz
Motherboard: MSI z370m Gaming Pro AC
GPU: MSI GeForce RTX 2070 Super X
Liquid CPU Cooler: Coolermaster MasterLiquid ML240L RGB
RAM: G.Skill TridentZ RGB Series 16GB (2x 8GB) (3200MHz)
SSD: Samsung 970 EVO 1TB SSD M.2
HDD: Seagate Barracuda 2TB Internal Hard Drive HDD
Power Supply: EVGA 750 B5, 80 Plus Bronze 750W Fully Modular
 
Aug 21, 2020
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I'm having this exact same issue, since yesterday when i came home loaded up modern warfare and as the solider in the background loaded fps went from 130's to 30 and lower, and constantly stutters. Strange thing is i loaded gta online and that has everything maxed out and it played fine @80+ fps.
Far cry 4 as well.
Trying a bunch of other fixes and so far nothing worked.


CPU: i7 7700
Motherboard: MSI z270 gaming pro carbon
GPU: evga gtx 1070ti
RAM: g skill trident z 16gb 3000mhz
Cooler: Gammermaxx rgb cooler
SSD: WD blue 500gb
PSU: Evga 500w 80+ Bronze
I found a workaround for now. If I have MSI Afterburner OPEN when I launch my games everything runs fine, but if I do not have MSI Afterburner open I still have the problem. So try downloading it and having it open when you launch a game and see what happens. I'll try to look deeper into the problem.
 
Aug 21, 2020
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I started having the same issues last night after updating COD MW also. But my Apex runs just fine.
I found a workaround for now. If I have MSI Afterburner OPEN when I launch my games everything runs fine, but if I do not have MSI Afterburner open I still have the problem. So try downloading it and having it open when you launch a game and see what happens. I'll try to look deeper into the problem.
 
Aug 21, 2020
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I found a workaround for now. If I have MSI Afterburner OPEN when I launch my games everything runs fine, but if I do not have MSI Afterburner open I still have the problem. So try downloading it and having it open when you launch a game and see what happens. I'll try to look deeper into the problem.
Hey guys I’m not the brightest with PCs. But I somewhat fixed the issue. I uninstalled both of the games I was having cpu issues with then I cleared CMOS and reinstalled. I played all night with no FPS drop and my cores didn’t drop to less than 4200mhz.
 

tytanium

Prominent
Jan 3, 2019
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I had this EXACT same issue last week to also with an 8700k. did a flash to newest bios and downloaded latest motherboard driver and now I'm back up to 120-130fps in warzone and my cpu is at 4400mhz when playing now
 
Aug 21, 2020
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I had this EXACT same issue last week to also with an 8700k. did a flash to newest bios and downloaded latest motherboard driver and now I'm back up to 120-130fps in warzone and my cpu is at 4400mhz when playing now
Hey I tried this out and my cpu runs fine. That’s until the next day it starts dropping again.
 
Aug 21, 2020
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not sure if anyone got through with this but i was using throttlestop to turn off BD PROCHOT and left it running and that fixed the issue.
Last night i tried going into my bios and turning off EIST and now i can run those games fine without needing throttlestop running all the time.
 

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