01.Introduction: The Enemy (EPP)
"Enhance Pointer Precision" (EPP) is a misleading name. In reality, it is a form of software acceleration. If you move your mouse quickly, the cursor travels further than if you moved the same physical distance slowly. This prevents your brain from accurately memorizing the physical distance required for precise flick shots.
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02.Chapter 1: Critical Windows Configuration
Control Panel > Mouse
1. Open the "Pointer Options" tab.
2. UNCHECK "Enhance pointer precision."
3. Ensure the speed slider is set exactly to 6 out of 11 (the middle notch).
If you change this to 5/11 or 7/11, Windows begins skipping pixels or interpolating data, destroying 1:1 sensor precision. Always adjust your final speed using your mouse's DPI settings or in-game sensitivity instead.
03.Chapter 2: MarkC Mouse Fix (Registry)
Some legacy titles (and certain newer games in Windowed mode) still apply a hardcoded acceleration curve even when EPP is disabled in Windows.
The MarkC Mouse Fix is a registry modification (.reg) that permanently removes the Windows acceleration curve, forcing a perfectly linear (1:1) input response.
Ensure you apply the version corresponding to your display's scaling percentage (e.g., 100%, 125%, 150%).
04.Chapter 3: Polling Rate (Hz): 1000 vs. 4000 vs. 8000
- 1000Hz (1ms): The industry gold standard. Stable and light on CPU usage.
- 4000Hz/8000Hz: Provides a noticeably smoother cursor movement, but at the cost of EXTREME CPU utilization. On older or mid-range CPUs, high polling rates can cause in-game stuttering during rapid mouse movements.
Recommendation: Stick to 1000Hz for maximum consistency unless you possess a top-tier modern processor (e.g., i9-14900K).
A1.Chapter 4: DPI (Dots Per Inch) Realities
Myth: "Higher DPI is always more precise."
Fact: While higher DPI can reduce sensor input latency slightly, it also amplifies hand tremors (jitter).
- 400/800 DPI: The classic pro standard for games like CS2 and Valorant. Offers high stability for sweeping movements.
- 1600 DPI: The modern "Sweet Spot." Lower latency than 800 DPI but still highly controllable with lower in-game sensitivity.
- 3200+ DPI: Generally unnecessary and may introduce unwanted sensor noise into your aiming.
A2.Chapter 5: Raw Input Engine
Always enable Raw Input (or same-named settings like "Raw Mouse Input") in your game options.
This tells the game to read data directly from the mouse driver, bypassing Windows OS settings (like the 6/11 notch and EPP). It is the most reliable way to ensure aiming precision.
A3.Chapter 6: Sensor and Surface Maintenance
A single hair strand or dust particle on the sensor lens can cause your crosshair to spin toward the sky or freeze entirely.
Regularly clean the sensor area with compressed air. Use a dry cotton swab if necessary.
Periodically wash your mousepad. A build-up of skin oils and humidity changes the friction (glide) of the surface, negatively impacting your muscle memory over time.
A4.Chapter 7: Upgrading Mouse Feet (Skates)
Standard PTFE (Teflon) feet eventually wear out. If your mouse feels like it's dragging or scratching the pad, replace them with high-quality aftermarket skates (e.g., Tiger Arc, Corepad). A smooth, consistent glide is essential for micro-adjustments.
Chapter 8: USB Power Management
Windows often disables inactive USB ports to save power.
Go to Device Manager > Universal Serial Bus controllers > USB Root Hub > Power Management.
Uncheck "Allow the computer to turn off this device to save power." This prevents your mouse sensor from "sleeping" or disconnecting for critical milliseconds.
Chapter 9: Angle Snapping and Prediction
In your mouse software (Logitech G Hub, Razer Synapse), ensure Angle Snapping is set to OFF.
This feature attempts to force your movements into straight horizontal or vertical lines. In gaming, this effectively prevents you from making the organic diagonal micro-adjustments needed for headshots.
Chapter 10: Understanding eDPI
To accurately compare sensitivity with other players, use eDPI:
eDPI = Mouse DPI × In-game Sensitivity.
Example: 800 DPI × 1.5 Sensitivity = 1200 eDPI.
Use online eDPI converters when switching between games (e.g., from CS2 to Valorant) to maintain a consistent physical feel for your aim.
Don't do it Manually.
Voltris Optimizer automates this entire guide and removes Windows delay in seconds.
Written by a verified expert
Douglas Felipe M. Gonçalves
Expert in Windows system optimization with years of experience in hardware diagnostics, kernel tuning, and advanced technical support. Founder of Voltris and developer of the Voltris Optimizer.
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By following this guide on 1:1 Mouse Precision (2026): Zero Acceleration Guide, you are equipped with the verified technical knowledge to solve this issue with confidence.
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