How to Fix Mouse Acceleration in Windows with the Raw Accel App

If precision in mouse control is crucial for your gaming or design tasks, you’ve likely heard the recommendation to disable Windows Enhanced Pointer Precision. However, there’s no need to completely eliminate acceleration. Instead, consider utilizing the free Raw Accel application, which provides users with refined control over mouse acceleration settings.

A Comparison: Enhanced Pointer Precision vs. Raw Accel

It may seem paradoxical that a feature designed for enhanced precision in Windows is often recommended for deactivation. The underlying issue isn’t the feature itself, but the way Windows implements it. The system uses a non-linear method of mouse acceleration. This means that the speed of acceleration can fluctuate based on hidden factors like timing discrepancies, movement history, and pointer speed.

This non-linear acceleration complicates the ability to establish muscle memory, as the outcome of each movement can differ significantly. Furthermore, Windows’ current handling of mouse acceleration lacks a defined maximum cap, which can lead to erratic and uncontrollable acceleration levels.

Raw Accel addresses these shortcomings by giving you comprehensive control over mouse acceleration parameters. With this application, you can specify the exact point at which acceleration starts and set a ceiling on maximum acceleration. This capability allows for more predictable and manageable acceleration that the human brain can effectively adapt to.

Beyond simply creating linear acceleration, Raw Accel can be customized to align with your specific requirements. For instance, the software can disable acceleration for minor movements, implement separate settings for vertical and horizontal movements, and even allow for decaying acceleration effects.

Utilizing Raw Accel for Enhanced Mouse Control

To begin using Raw Accel, you’ll first need to install its signed kernel-level driver, which processes raw input streams. After downloading and unpacking the file, run the installer.exe to set up the driver. A system restart is required afterward for the changes to take effect, allowing you to start using the application seamlessly.

Raw Accel does not come with a one-size-fits-all configuration, meaning adjustments will be necessary to tailor its settings to your preferences. The interface offers a sensitivity tracker that assists in finding the ideal acceleration that works for you.

Raw Accel Interface showing chart and settings

To tailor the settings effectively, it’s important to understand the function of each parameter:

Sens Multiplier: This controls the cursor speed. A setting of 1 means native DPI is unchanged. Lowering it below 1 decreases speed, while raising above 1 increases speed accordingly.
Y/X Ratio: Modify the vertical speed compared to horizontal speed. This adjustment is particularly beneficial for gamers who wish to control vertical recoil while maintaining speed for aiming.
Acceleration Styles: Here, you can choose how acceleration applies, such as Linear for consistent acceleration or Power for variable bursts. For optimum performance, Linear is typically recommended.

Acceleration: Adjusts the strength of acceleration. A standard value for a 1600 DPI mouse is around 0.05, but personal preference may warrant adjustments.
Cap Type: This setting determines how to limit maximum acceleration. The Output Cap controls maximum cursor speed, while the Input Cap monitors physical mouse movement speed.
Input Offset: Here, you define when acceleration engages based on physical movement speed, ensuring precision on slow movements.

Once you are familiar with these options, you can input values that best align with your preferences. As a reference, here are my recommended settings that work well for general usage and gaming:

Direction Multiply: 1
Y/X Ratio: Locked
Acceleration Style: Linear
Acceleration: 0.08
Cap Type: Output
Cap Output: 2
Input Offset: 10

To prevent interference with Raw Accel’s configurations, be sure to disable Enhanced Pointer Precision in your Windows settings by navigating to Bluetooth & devices → Mouse.

Disabling Enhanced Pointer Precision in Windows settings

Reducing Input Lag with Raw Accel

In addition to controlling acceleration, Raw Accel can also help reduce input lag, particularly beneficial for users with high-DPI gaming mice. Devices with a DPI of 1600 to 3200 generally register movements quicker, yielding a decrease in input lag (3-5ms).However, operating at such high DNIs isn’t practical for most users due to excessive sensitivity.

Raw Accel provides a solution by allowing your mouse to function at a high DPI for reduced input lag, while also using a lower Sens Multiplier to achieve a more manageable effective DPI. For instance, utilizing a 3200 DPI mouse but setting the Sens Multiplier to 0.25 can effectively bring your working DPI down to 800 while retaining the benefits of lower input lag.

Once configured correctly, Raw Accel will apply your settings automatically at Windows startup, eliminating the need to keep the application open. If you are fine-tuning your mouse for gaming, be sure to implement these optimal settings for an enhanced experience.

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