PC Stutters with no FPS drops (High end PC)

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lateralus11235

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Jan 27, 2018
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Issue: PC randomly starts stuttering, usually after 30 minutes to an hour after the first bootup of the day. I play Fortnite most of the time, and the issue happens suddenly in game, but my FPS will remain at 240 while these stutters occur. Usually I just assume it's a memory leak issue introduced with a new Fortnite patch, but the thing is my PC continues to stutter after I close out of Fortnite and even after restarting. I am now experiencing this issue in any game I play, and even on the desktop with no games running.

PC Specs:
i7 8700k 3.7ghz
GTX 1080 ti FTW3
16GB DDR4 4133 RAM GSKILL Trident
EVGA 750 GQ 80 Plus Gold PSU
480GB ADATA SSD
1TB Western Digital HDD

I currently have my Windows 8.1 OS running on the SSD, and my files and installs on my HDD.

Troubleshooting steps taken so far:
> Reformatted on the HDD to Windows 10
> Reformatted on the HDD to Windows 8.1
> Reformatted on the SSD to Windows 8.1, and partitioned the HDD for storage and installation
> Reduced OC of CPU from 4.7ghz to 3.7ghz (voltage auto)
> Updated all Windows updates, and made sure Graphics Drivers are up-to-date
- Admittedly, I have not checked for most recent drivers for most other computer pieces, but I will do this and report back.
> Disabled Windows Defender
> Updated NVIDIA Control Panel settings for Mutli-threading, High Performance, VSYNC Off, etc.
> Monitored temperatures with no issue, dusted entire PC for due diligence
> Disabled GeForce overlay

I have a streaming PC that I can pull pieces from to troubleshoot, but it is quite a hassle and I would like recommendations of what pieces to swap if necessary.

Streaming PC Specs:
i7 7800x
16GB DDR 2666 RAM
GTX 1080
Older PSU that can support the 1080, I believe 650 watt

My gut feeling is that this has to do with the PSU. My next step I'm thinking about taking is swapping out RAM from my streaming PC, and after that swapping out my PSU and GPU (old PSU doesn't support 1080ti). The thing I don't like about swapping out my PSU and GPU, is that I won't know whether it was the PSU or the GPU causing the issue, since I have to swap out both due to PSU being old.

Any input is greatly appreciated. I've been struggling with this issue for the past week, and none of my friends are experiencing the same issues as me when playing Fortnite, so I'm pretty confident something is going on with my PC.

Edit: My EVGA 750 Gold PSU is only about two or three months old, which is why I have been hesitant to make the swap from my streaming PC to my gaming PC as a troubleshooting step.

https://imageshack.com/a/img922/604/OU1GUU.png
https://imageshack.com/a/img922/7797/lSHlcB.png
 

Lutfij

Titan
Moderator
Is this your ram kit? Have you tried working with a bootable installer for Windows 8.1 after you've recreated it? From the way you've stylized your post,it looks like you didn't recreate the installer prior to the re-installations. Are you on the latest BIOS for your *main* system? Speaking of which, you forgot to mention the make and model of both motherboards.

Drop down to 3200MHz(manually inputting in the frequency with relaxed timings and at 1.35v) on the ram kits and see if that changes your experience.
 

lateralus11235

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Jan 27, 2018
4
0
510


Thank you for the prompt response. I was coming back to update with my motherboard info since I realize that I forgot to post it. ASRock Z370 killer sli/ac on my Gaming PC, and ASRock X299 Extreme4 on the Streaming PC.

Yes indeed the link you provided is my RAM kit.

I'm unfamiliar with the bootable installer for Windows 8.1 troubleshooting step you provided above. To be clear, I put windows 8.1 on a USB and did a clean install from there, and used the DVD drivers that came with my mobo. When you say recreate the installer prior to the re-installations, can you explain this step further? I didn't realize that I would need to create a new USB booting tool every time I reformat my PC.

Honestly I thought my BIOS were already updated, but it appears I neglected this step for my new gaming PC motherboard. I'll do that now. I've always been apprehensive to this step because I know if things don't go right it can mess up my mobo.

Lastly, I'm not very savvy when it comes to Hardware adjustments. Can you explain further when you say I should drop down to 3200 with "relaxed timings?" I know how to change the frequency and voltage on my RAM, but I want to make sure I'm doing this correctly.

Thanks again for your help, I really appreciate it.
 

lateralus11235

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Jan 27, 2018
4
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510


I've dropped the RAM freq to 3200MHz per your instruction, and finished updating my BIOS to the latest version. Unfortunately I am still experiencing significant stutters, and they start occurring even after a fresh restart. I have also swapped my RAM with the sticks in my secondary PC, and still experience the stutters.

I have not yet tried reformatting based on your information regarding recreating the installer. Do you mind going into more detail on that step?
 

lateralus11235

Prominent
Jan 27, 2018
4
0
510
Turns out the problem is with my new Logitech G703 wireless mouse that I recently purchased. I never thought it would create this type of issue. My guess it the wireless internet is interfering with the connection of the mouse, but that is completely anecdotal. Looks like I'm going back to wired, until I figure out how to make the wireless mouse work without any issue.
 
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