[SOLVED] Gaming PC randomly slowing down, I've tried almost everything! What can cause these slowdowns?

Jan 26, 2019
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Hello,

I’ve currently had my computer for about a year and a half, and for one of my first builds, it has worked very well to this point. Recently, the performance for my PC has drastically gone down. I’ve always been a programmer and a gamer, and as I attempt to play games that I usually get 60-120 FPS on, I barely reach 5 FPS! I can barely run games like Fortnite or Apex Legends at the lowest settings anymore, which is ridiculous because I’ve had them at the highest settings with 60 stable FPS prior to this issue. Not only with games as well, Windows overall has been very slow, at times, it's usually decently fast when not many applications are open or shortly after startup, it'll be fine, however, after I play games, major FPS drops and lag, and when I attempt to close it, Windows begins to slow down as well. I’ve usually been having an occurring issue when it comes to 3D Rendering for games (Hence, Fortnite or Apex Legends using 3D Rendering) on my GPU, but I’m still not sure if that’s the issue. I’ve done almost every single step that I’ve thought of. I’ve ran memtest86, 0 errors. Scanned for malware, and my AV did find malware and removed them, but it turns out the programs weren’t even malware, so I don’t believe that was the issue. I overclocked my CPU, performance did not go up whatsoever. Checked the temperatures of my computer, they’re normal, 45-50 on my CPU, and my GPU reaches 80 at max. I even remounted my GPU and inspected parts of my PC and everything seems normal to me. My hard drive has 1TB of space, and I already reset Windows, still no difference with the amount of free storage I have. I went to S.M.A.R.T. logs using CrystalDiskInfo, and I'm pretty sure it's normal to me, I'm not entirely sure how to determine logs from there. Here's the picture: https://imgur.com/a/NJRKuZa
I also did it through Command Prompt and it states that the status is "OK".

I’m very lost at this point and I hope someone can help me. Here are my specs if necessary: -
NDIVIA 1050 Ti
AMD Ryzen 7 1700X 8-Core Processor 3.60GHz
MSI b350 Tomahawk Motherboard
1TB of Hard drive (814GB Free)
8 GB of RAM (3.95GB Usable)
P.S: I haven't tested my PSU, not sure if that could ever be a possible issue.
Thanks to anyone who helps, I appreciate you all.
 
Solution
specs
8 GB of RAM (3.95GB Usable)
It’s two 4GB sticks of RAM

Try listing a part number and/or link to the memory you are using. Your description lacks enough detail to identify it.
I believe your harddisk is to blame. I've experienced that with my previous drive. My rig worked fine for 5 years and over a period of two weeks all my games would slow down to about 5 fps regardless of settings.

I suggest procuring a different harddrive and installing your OS and games on it.
 
It’s two 4GB sticks of RAM. It isn’t just one stick with 8GB of RAM on it. I haven’t tried removing one to see if they’re faulty but I assumed memtest would find any error if any. It’s not 1 stick of RAM though.

And as to the hard drive issue, I might end up trying that. I looked up many symptoms of a faulty HDD and that could possibly be it, is there any way to confirm it though?
 
Reset windows how? Full reinstall from scratch followed by all required drivers from the mobo manufacturers site?

Otherwise, set the hdd aside and get a crucial mx500 500gb ssd and clean install.

The psu *could* be causing problems but would try the other steps first.
 
I’ve reset twice, once which wasn’t a full re-install, I still had some files on there. Afterwards, I did a full reset that reset Windows completely, my HDD however still had the same other partitions as the same.
 

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