In this video I will show you: How to fix high DPC latency on your PC How to get better performance in games Increase Fps Reduce Stutters Fix Input Lag Fix Latency Windows 10 Windows 11 2023 Updated. All that IN ONE VIDEO – crazy, I know. Let's go!

Timestamps:
0:00 – Introduction
0:33 – Download LatencyMon
1:07 – Update all your drivers
2:18 – Device management adjustments
7:00 – Energy plan options
14:21 – Some Windows options
15:45 – BIOS settings
21:33 – Dynamic tap
23:01 – NVIDIA driver debloating and DDU
27:04 – NVIDIA control panel settings
30:33 – Full screen optimization for games
32:38 – Update BIOS drivers
35:19 – MSI suspends graphics driver
36:33 – Create a system restore point (for backup)
37:13 – Set process planning to Long Quantum
42:21 – KeyboardDataQueueSize and MouseDataQueueSize
47:45 – Back up your service configuration (do it!)
50:35 – Services to disable and how
55:48 – Set interrupt affinities for drivers
1:06:22 – Connect your devices to the correct USB ports
1:09:07 – Latency results
1:10:21 – Extra stuff (in case you still want to continue!)
1:14:13 – Outro

.txt file from the video:
Measure your latency: https://www.resplendence.com/latencymon

Update all your drivers!
https://www.intel.com/content/www/us/en/support/detect.html
General Windows updates

DEVICE MANAGER:
Turn off devices that are not in use
Disable USB power management

WINDOWS SETTINGS:
ENERGY PLAN
Ultimate Performance:
powercfg -duplicate schema e9a42b02-d5df-448d-aa00-03f14749eb61
download PowerSettingsExplorer https://forums.guru3d.com/threads/windows-power-plan-settings-explorer-utility.416058/
Threshold for promoting/demoting idle processor – 100%
Processor performance core parking minus cores – 100%

Core insulation – off
Optimization for games in windows – on

BIOS:
iGPU – off
HyperThreading – off
CPU virtualization – off
C states – off
Integrated audio – off when not needed

CMD:
DYNAMIC TICK
bcdedit /set Disabledynamic, check Yes
reverse: bcdedit /deletevalue useplatformclock

GRAPHICS DRIVER:
Debloat Nvidia driver
(Optional) Uninstall the old driver using DDU https://www.guru3d.com/files-details/display-driver-uninstaller-download.html
DDU Guide https://www.wagnardsoft.com/content/DDU-Guide-Tutorial
Debloat with NVSlimmer https://forums.guru3d.com/threads/nvslimmer-nvidia-driver-slimming-utility.423072/
Adjust Nvidia settings
Set Nvidia Power Management to maximum performance – explorer.exe, dwm.exe, nvidia control panel, steam, whatever else you use

Disable full screen optimization for games

ADVANCED STUFF:
Update your BIOS drivers

Enable MSI mode for the GPU driver
https://forums.guru3d.com/threads/windows-line-based-vs-message-signaled-based-interrupts-msi-tool.378044/

REGISTRATION:
Set the process planning to Long Quantum
[HKEY_LOCAL_MACHINE//SYSTEM//ControlSet001//Control//PriorityControl//Win32PrioritySeparation]
16 4 2 December 22 / 16 Hex Long, Variable, High foreground boost.(3x)
All variations: https://forums.guru3d.com/threads/faq-of-the-software-operating-systems-section.155424/#post-1451631

Lower DataQueueSize for mouse/keyboard
HKEY_LOCAL_MACHINE//SYSTEM//CurrentControlSet//Services//kbdclass//Parameters – KeyboardDataQueueSize
HKEY_LOCAL_MACHINE//SYSTEM//CurrentControlSet//Services//mouclass//Parameters – MouseDataQueueSize DWORD value (32-bit)
Decimal 100 is standard, the lower the better. Too low a value can cause malfunctions

SERVICES:
Registry Backup: https://www.winhelponline.com/blog/backup-windows-services-configuration/
Disable list: https://nerdschalk.com/what-windows-11-services-to-disable-safely-and-how/
I disabled these on my PC:
Program Compatibility Assistant Service
Map manager downloaded
Parental supervision
Print spooler
Retail demo service
Network connection broker
Windows biometric service
Geolocation service
Connected device platform service
Radio management service
Disable non-Microsoft services in msconfig

Set Manual Interrupt Affinity for Drivers
https://www.techpowerup.com/download/microsoft-interrupt-affinity-tool/
GPU, mouse, keyboard, audio interface or whatever else you need on the least busy cores

Credits:
Calyptos Latency Guide: https://docs.google.com/document/d/1c2-lUJq74wuYK1WrA_bIvgb89dUN0sj8-hO3vqmrau4/edit#
Other:
https://www.youtube.com/watch?v3qXMSS1Inkw
https://www.youtube.com/watch?vAdtPuayC6mk

INDEMNIFICATION:
This video is a compilation of adjustments I made to my PC. I in no way guarantee they will work for yours. Make all adjustments at your own risk! I take no responsibility if something breaks on your PC. Use your common sense, make backups and you should be fine.

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Thanks for looking!
#latency

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