Windows 10: Computer all of a sudden has began struggling with FPS and lagginess in general with all...

Hi all, I am having an issue with my computer right now.My games minecraft has become incredibly laggy and so has everything else, like my browsers and all that. For some background information I have been leaving my computer on for days on end, months even and recently I've heard my computer has gotten louder. I have done this out of habit and I try to put it into sleep mode, though now I am shutting it down whenever I'm finished since I can save my tabs now. Could years of accumulation of leaving my computer on 24/7 have caused something to malfunction? It's not just games it's everythin

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Sudden FPS drop/Stutter

Since 2 days ago, I just turned on my Computer, and it starting having issues while I was playing Witcher 3 (starts with decent fpsm and then very low fps, dropping to 35, then 20, and stopping at 12 or so, in a matter of seconds, in a matter of 1min of starting the game), also stuttering without any high demanding programs, randomly. I was playing at 45-60 fps, without any stutters or sudden fps drop. Have tried other games the issue persists. Even setup everything to low settings.
I have ran several tests with several tools, all seems normal, no sudden memory spikes, or temperature raising out of the ordinary, nothing that would indicate such an fps drop or stuttering.

MSI Afterburner

I also did the reset option on Windows10, completly cleaned out all my personal info from the windows partition.
So at this point, I am not sure if it is a software issue or a hardware issue.
Any suggestions are greatly appreciated.

Edit: I kept doing some tests to find out the issue. And this happened before and I was able to replicate it. Same thing happened as before, till I set it up to fullscreen, Alt+Tab from the game and then back to the game, FPS went up to 50 again, stable and good, dropped after a couple of seconds. After a bit it went to 2-5 fps, and I had to shutdown the game, because even the sound was getting messed up.

MSI Afterburner 2

In this image those ups and downs in the GPU usage are when the fps dropped really hard and the sound got messed up.

 

Windows 10 suddenly becoming laggy?

I have had Windows 10 (64-bit Pro) installed for about 3-4 months, and have had a wonderful experience until now. Yesterday I was in the middle of a game when all of a sudden it started becoming laggy. When this happened, I restarted the computer, yet the lag persisted. Here are my system specs:

• Intel i7-920 Quad-Core (8 Threads) @ 2.67 GHz
  
• Nvidia GT-630
  
• 5 GB DDR3 RAM
  
• 512 GB ADATA SSD
  
• 500 Watt Generic PSU
  

I have no clue why this began, and have not been able to fix it. Here is a list of things I have done to try to fix it:

• Run the memory diagnostic tool (no errors)
  
• Run Intel's CPU diagnostic tool (no errors)
  
• Downloaded and installed the latest driver for my GPU
  

Is there anything I can do at this point? I would rather not reinstall Windows, but if that's the only option then I can do that.

EDIT: The lag is definitely client-side. Any sort of game that I play is hindered by it (even offline single-player games like Super Meat Boy). I have very good internet (10-11 MB/s good)

 

'Generic PnP monitor' issue

Hello Angelica,

I would suggest you follow steps to update the monitor driver:

Press Windows + X keys

Choose Device manager

Click on Monitors

Right click on ‘Generic PnP monitor’ and click on update driver

Tap on Browse my computer for driver software

Tap on Let me pick from a list of available drivers

Choose ‘Generic PnP monitor’ and tap on Next

When you are done please restart the computer.