Fix Wireless Input Lag & Reduce Mouse Delay – Windows Latency Optimization Guide
Ever feel like your aim just isn’t consistent — one moment it’s perfect, the next it feels floaty or delayed? If your shots don’t land when they should or your inputs feel unreliable, the problem usually isn’t FPS or hardware.
It’s wireless input latency caused by Windows.
Windows aggressively power-manages USB devices, mishandles polling behavior, and deprioritizes input interrupts — silently adding delay you feel but can’t see on an FPS counter.
In this video, we fully optimize Windows USB, HID, and interrupt handling to eliminate hidden mouse and keyboard latency. These tweaks focus on consistency, reliability, and competitive responsiveness, especially for FPS and fast-paced games.
🛠️ TOOLS USED
LatencyMon
MouseTester
Kovaak’s Input Latency Test
MSI Mode Utility v3
🛠️ COMMANDS, REGISTRY VALUES & PATHS USED
Power Settings
Power Options → Advanced Settings
USB settings → USB selective suspend setting → Disabled
Device Manager
Device Manager → Universal Serial Bus controllers
USB Root Hub
Generic USB Hub
Wireless mouse/keyboard receiver
Power Management tab:
Uncheck Allow the computer to turn off this device to save power
Registry Tweaks (Win + R → regedit)
Disable USB Selective Suspend (Driver Level):
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\USB
DisableSelectiveSuspend = 1 (DWORD 32-bit)
Disable HID Idle Power Saving:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\HidUsb
IdleEnabled = 0 (DWORD 32-bit)
Windows Input Scheduling Optimization:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\PriorityControl
Win32PrioritySeparation = 26 (Decimal)
MSI Mode Utility
Enable MSI Mode for:
USB Controller
(HID-related devices if shown)
Interrupt Priority:
USB Controller → High (testing only — revert if instability occurs)
Mouse Polling Rate
Set in manufacturer software:
Logitech G Hub
Razer Synapse
SteelSeries GG
Corsair iCUE
Recommended:
1000 Hz (most stable)
Avoid 8000 Hz unless LatencyMon confirms no DPC spikes
CMD (Run as Administrator)
Disable Dynamic Tick:
bcdedit /set disabledynamictick yes
🚀 WHAT THIS FIXES
✔ Reduces wireless input latency
✔ Eliminates mouse wake-up delay
✔ Fixes floaty or inconsistent aim
✔ Improves polling stability
✔ Reduces DPC latency from USB & HID drivers
✔ Makes mouse & keyboard input feel instant and reliable
💬 If this helped, like, subscribe, and comment your mouse & keyboard.
More deep Windows optimization guides coming.