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How to Fix a Mouse That Scrolls Automatically in Windows

Steve K Oct 9, 2026 868 views

Question details

The user's mouse is scrolling automatically on its own, even when scrolling features are disabled in the system settings.

How to Fix a Mouse That Scrolls Automatically

Product: Computer Mouse
Device & OS: Windows 11 / Windows 10
Scenario: Attempting to stop erratic or automatic scrolling behavior of a connected computer mouse.
Observed behavior: The mouse continues to scroll up or down on the screen without user input, despite software scrolling settings being disabled.

Before you start

Ensure your computer is placed on a flat, clean surface and save any open documents to prevent data loss while you are testing different USB ports or restarting your device.

Solution 1Recommended

Perform Basic Hardware and Connection Checks

Quick physical checks can resolve most automatic scrolling issues caused by debris, low power, or faulty USB ports.

Hardware issues are the most common cause of erratic mouse behavior. Dust and debris can interfere with the optical sensor inside the scroll wheel, while a weak wireless connection can cause the mouse to send incorrect signals to your computer.

Check the power source

If you are using a wireless mouse, replace the batteries with fresh ones to ensure it has enough power to maintain a stable connection.

Clean the scroll wheel

Use a can of compressed air or a clean, soft brush to carefully remove any dust, lint, or debris stuck inside the gap around the scroll wheel.

Change the USB port

Unplug the mouse or its wireless receiver and plug it into a completely different USB port on your computer to rule out a faulty connection.

Test an alternative mouse

If possible, connect a different mouse to your computer. If the new mouse works perfectly, your original mouse hardware may be permanently damaged.

Perform Basic Hardware and Connection Checks

Tip for Wireless Mice: Ensure that the wireless receiver is plugged into a USB port that has a clear line of sight to your mouse, free from large metal objects that might cause interference.

Solution 2

Disable the Laptop Touchpad Temporarily

Sometimes a sensitive, dirty, or faulty laptop touchpad registers accidental inputs that mimic mouse scrolling.

Solution 3

Update or Reinstall Drivers from the Manufacturer

Outdated or conflicting drivers, especially on Windows 11, can cause erratic mouse behavior that standard Windows Updates might not fix.

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Frequently Asked Questions

Why does my mouse scroll by itself even when I am not touching it?

This can be caused by dirt or debris stuck in the scroll wheel sensor, a low battery in a wireless mouse, conflicting device drivers, or accidental inputs from a connected laptop touchpad.

Does Windows Update automatically fix mouse driver issues?

Not always. Sometimes Windows Update installs a generic driver that does not fully support your specific hardware. It is highly recommended to download the latest drivers directly from your computer or mouse manufacturer's official website, especially on Windows 11.

How can I tell if my mouse hardware is permanently broken?

The easiest way to check is to plug your mouse into a completely different computer. If the automatic scrolling issue persists on the second device, the mouse hardware is likely defective and needs replacement.

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