My Gaming PC Is Acting Weird Today

dididan2000

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So, I built my gaming PC about a month ago. Everything has always been fine. It never has crashed or anything in the past. I was even playing the Battlefield 1 Open Beta today, yesterday, and the day before, and it was performing well at around 115 FPS on ultra. Today, though, is completely different. I turned on my PC, and I was playing on those same frames which was good but it just crashed. I restarted, and I played again, and it crashed once again. Then I was like wait what? This never has happened ever. I didn't even change any setting or anything. I stress tested my CPU, my GPU, and my RAM to make sure if any of them were failing or something. They were all stable. I don't know. It's really weird. I turned off my computer, turned off and unplugged the PSU for about 30 seconds and then plugged it back in. So far it seems fine now. There has been no game crashes or anything, but then I started streaming. I usually stream and record at the same time using OBS and I NEVER get frame drop at all. Today, my frames dropped like 60 fps on the beta while I was doing this. When I did that yesterday and the day before on the beta it was perfectly fine! There was no frame drop whatsoever. Also, sometimes today my fans just speed up in spurts for like 5-10 seconds when i'm not even doing anything or playing any game. I don't get what is happening. Has this ever happened to anyone? Please help! Also, a few times today when I play games I hear a weird buzzing noise coming from my P!!!

Thanks in advance for any response. :)
 

dididan2000

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i7-6700K @ 4.6 GHz
Corsair H75 Liquid Cooler
MSI Armor GTX 1060 Overclocked
16GB RAM @ 2400 MHz
Corsair CX750M PSU
 

Acapella

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So you definitely have plenty of power. I used this reference, as a more knowledgable opinion on the exact model of power supply. http://www.tomshardware.com/answers/id-1913734/corsair-cx750m-good-4670k-gtx-780.html
The buzzing/coil whine sounds like a power supply problem, not that it's not giving enough power, but isn't passing it cleanly to all of your components. Can you monitor the GPU and CPU usage during your FPS dips? Assuming they are regular and occasionally dip down. If they are consistently lower, the values are still useful, but I'd be further from finding a solution.
 

dididan2000

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So with the psu, should i just clean it?
 

Acapella

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If it is a power supply problem, you're best off just replacing it with a more durable, lower watt model. You could get by well with a 550W G2/GS, XFX, Seasonic, etc. But I wouldn't go replacing your power supply until the problem is isolated to it.
 

dididan2000

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It might be the CPU, because I was opening up my photos folder and you know how you could set the view in windows where you could see the photo before you click on it? Well I was opening it up to set something as my wallpaper, and some of the picture thumbnails werent loaded and while they were loading a green bar was going. My CPU was on 75% load just loading a few photo thumbnails! What?! Is my CPU the problem? Because that is a task that usually has the CPU load on 0% lol. It's also just stays on 4.6 GHz for a while even when im not doing anything before it finally goes down... WHAT IS GOING ON WITH MY CPU!!!
 

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