Question Intense stuttering on PC while gaming, browsing internet, or even at the desktop.

Sep 3, 2019
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I've been having an issue with my PC stuttering intensely for the last several weeks, approximately a month. I've been scouring the forums and the internet, and I've tried many different solutions, none of which have helped. My specs:

-CPU: I7-4790K @base clock
-RAM: 16 GB Corsair Vengeance DDR3 @ 1600 MHz
-MOBO: Gigabyte GA-Z97X-UD3H ATX LGA1150
-Cooler: Hyper 212 EVO
-Power Supply: EVGA 650W
-GPU: Gigabyte Windforce GTX 1080
-GPU: EVGA GTX 660 for dedicated PhysX
-Boot drive: Samsung EVO 250GB SSD, less than a year old
-Drive 1: WD 1TB M.2. Less than 3 months old.
-Drive 2: WD 2 TB HDD. Purchased in either 2012 or 2013.
-Drive 3: Sandisk 120 GB SSD. Less than a year and a half old.
-OS: Windows 10

With the exception of the noted ages, the PC was built in late 2012 or early 2013.

I also have a 27" 1080p monitor connected, as well as a 27" 4K monitor connected as my primary. I got the 4K monitor back in early June, and had no problems with my system whatsoever until early August. I subscribed to the Xbox Game Pass beta to try out Metro Exodus, and had no problems, until I beat the game and uninstalled it. There were a few minor stuttering issues throughout, but nothing significant. However, now, I have to restart my computer approximately every 1.5-2 hours while gaming, and then I only get about 1 hour of game time before I have to restart again. While trying to browse the internet (Googlee Chrome) with no other apps open, there will be severe stuttering going on, with only 1-3 tabs open. Even on the desktop with nothing running, when I start drawing boxes with the mouse cursor, stuttering will occur within 5 minutes of booting the PC up.

Solutions I have tried:
-Uninstalling recent apps from around when the issue occurred. No dice.
-Performed multiple virus scans, nothing detected.
-Disabled all GPU overclocking
-Clean install of NVIDIA drivers for GPU, no luck.
-Removed all PC components, used compressed air to dust everything off, reapplied thermal paste, and then reinstalled all components. Issue almost seems worse than before, though this could be due to continued use. Hard to say.

In-Game Solutions:
-V-sync is enabled.
-Turned down all graphics settings from medium to low.

Observations:
-Observed all temperature data for CPU, GPU, and RAM. Nothing out of the ordinary (while gaming, CPU runs at about 50 degrees C, GPU at around 40).
-Observed task manager performance tab while running multiple programs and while gaming. The CPU and GPU almost never, if at all, reach 100% usage, or even approach it.

I'm not sure what else to do here. My next step is purchasing a new MoBo, RAM, and CPU, but I'd really like to wait longer if I can. Does anyone have any other suggestions? I tried to use the reset windows option in windows 10, but it kept giving me an error for boot media not detected, and I'm not sure how to fix that.
 
RAM usage sits at around 50% in game, and around 25-25% just on the desktop with Chrome open, it never reaches full capacity. The drives never reach 100% either. They normally sit under 50% usage. The SSD's all have a minimum of 25% open, each. How do I check the HDD health? Would that even impact my performance if I don't use it for boot or gaming?
 
Are you letting the CPU go all the way up to the 4.4 Turbo speed or are you leaving it at 4? I have a very hard time believing that a 212 evo is keeping a 4790k at 50 under a good load at 4.4 Ghz.

What are you using to measure your temps?

Also, are you running the Windows 10 version 1903 update? On my rig with a gtx 660 I had to download the latest Nvidia drivers to get decent performance back after that one.
 
I have an i5-3470 and have no problem with having 20+ tabs open in chrome+FF, 10+ other programs open in the background then throwing a game on top, most of this running on a 5+ years old WD Black HDD.

Heavy stutter for no apparent reason is something I've only seen on my own PCs when a HDD is failing: Windows tries to access the drive for whatever reason and everything locks up until the IO operation that is being stalled by a problematic drive either completes or times out. I'd recommend starting with downloading the drive utilities for all of your drives and running basic diagnostic to make sure you aren't in a failing drive situation and take immediate steps to backup data on a failing drive should any be found.

BTW, I recently started seeing some weird slowdowns on my PC and when I checked my HDDs' health, I got a SMART warning status on my 1TB WD Blue, keeping an eye on reallocated sector count and will order a new HDD if I see that rise. That drive only contains my download archive so I don't care much if it dies before I can back it up.
 
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Are you letting the CPU go all the way up to the 4.4 Turbo speed or are you leaving it at 4? I have a very hard time believing that a 212 evo is keeping a 4790k at 50 under a good load at 4.4 Ghz.

What are you using to measure your temps?

Also, are you running the Windows 10 version 1903 update? On my rig with a gtx 660 I had to download the latest Nvidia drivers to get decent performance back after that one.

Currently I'm getting around 55 degrees after 30 minutes in Warframe. The CPU is going up to 4.4 GHz. Also, I'm not sure why this would suddenly become an issue, unless something else is failing, if that makes sense. I am using the latest Windows 10 update, but I also used GeForce Experience to update all my drivers.

I'm using CPUID HW Monitor
 
I have an i5-3470 and have no problem with having 20+ tabs open in chrome+FF, 10+ other programs open in the background then throwing a game on top, most of this running on a 5+ years old WD Black HDD.

Heavy stutter for no apparent reason is something I've only seen on my own PCs when a HDD is failing: Windows tries to access the drive for whatever reason and everything locks up until the IO operation that is being stalled by a problematic drive either completes or times out. I'd recommend starting with downloading the drive utilities for all of your drives and running basic diagnostic to make sure you aren't in a failing drive situation and take immediate steps to backup data on a failing drive should any be found.

BTW, I recently started seeing some weird slowdowns on my PC and when I checked my HDDs' health, I got a SMART warning status on my 1TB WD Blue, keeping an eye on reallocated sector count and will order a new HDD if I see that rise. That drive only contains my download archive so I don't care much if it dies before I can back it up.
Ok, I will give this a try and see if I can get anywhere with it! I also don't really NEED my HDD anymore, as I have a lot of SSDs, so I may just disable it.
 
I am not sure why the hard drives would be slowing you down on internet browsing unless you intentionally put the cache on one of them. Do you see intense hard drive activity when these slowdowns occur? What are you using the check temps with? Is that 55 number consistent across all 4 cores?
 
I am not sure why the hard drives would be slowing you down on internet browsing unless you intentionally put the cache on one of them. Do you see intense hard drive activity when these slowdowns occur? What are you using the check temps with? Is that 55 number consistent across all 4 cores?
I just checked the health of all of my drives and they're all fine. Anytime that a spike happens, in the windows Task manager performance screen there is no apparent jump in any usage.

I use CPUID HWmonitor for my temps. All temps are consistently the same across all four cores.

It really is quite strange. I'm not having any other issues that are consistent with CPU failure, GPU failure, PSU failure, etc.
 
If you open the 'detailed' version of Task Manager's performance tab, you will see activity graphs for every HDD/SSD present. When a HDD/SSD has internal issues, activity usually gets pegged at 100% for the duration of the event(s). If massive lag spikes coincide with activity peaks, that would be a fairly strong indication that the drive the peak occurred on may have issues.
 
Ok, That's what I get for assuming. What is the M.2 drive for? Can you try running with just the boot SSD plugged in?
My M.2 is what I've started storing all my games on. I use a 250 GB for my OS and a few odds and ends, but mostly just the OS so it stays mostly open. I'll try looking into just my boot drive, but I'm not sure if I'll be able to recreate the issue, as I don't have any games on there.