Win 10 DPC Latency rabbit hole - sfcfix crash

jstringer62

New member
Joined
Sep 10, 2019
Posts
2
Main issues i started this journey for..

- Mouse Input lag in games (professional fps)
- Audio stuttering/popping occasionally

I have always felt like something is off.. no matter what i do, input lag just feels terrible in games. After investigating what could cause it, and running latencymon. I realized i have a dpc latency issue that might be part of my problem.
Below is a link that is a bit outdated now, but will give you the general idea i have been shooting for.

Gaming and mouse response BIOS optimization guide for modern PC hardware - Overclock.net - An Overclocking Community

PC Specs
Windows 10
Ryzen 1700 OC 3.7
MSI b350 tomahawk
G.Skill Trident 2x8GB DDR4 xmp @ 2933
MSI GTX 1070
samsung ssd 500gb
Pagefile settings are default/system set

I have followed most of the guide i posted earlier that applies still. And i have seen progress, i just notice with nvidia drivers off my latencymon hovers very low.. like 10-20 W occassional spikes. While with it on.. it hovers 70-100 with way more spikes.
I tried uninstalling with DDU several times, installing only the driver. Rolling back a couple drivers.. But with no luck..

Some things i have done
windows 10 optimizing/decrapping
turning off services (this may affect sfcfix and things.. im not sure).
turned hpet off
updated bios
updated drivers
lowered audio qualities to CD
DDU everything and reinstalled bare bones nvidia drivers + physx

Surfing through the web i ran across other threads here with people suggesting sfc /scannow. Which came back with unfixable errors and a logfile i will attach as requested.
I also tried the sfcfix and got a crash error as it was working through i think stage 4.

I am willing to get any information and do my part in any way if someone could take the time to help me out =D.
I also can jump into discord if it makes things easier, or keep my eye on this forum. Thanks for the help in advance.
 

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