If, after following the above steps, you still are encountering issues, it's likely that the mouse is defective. You can dislodge and remove some of the dust and dirt, improving the movement and functionality of the wheel. Try cleaning the mouse, especially around the wheel, using compressed air. There are thin spaces on either side of the mouse wheel, which dust and dirt can get in over time, causing issues with the wheel's scrolling. You can also try installing the latest mouse drivers for your operating system from the mouse manufacturer's website. If your computer has an operating system other than Microsoft Windows, we suggest trying to reinstall the software that came with the mouse. See: How to restore Windows to an earlier copy. You can also try restoring Windows to a previous point in time when the wheel functioned properly.

How to automatically repair problems in Windows.We recommend you back up your files before running the Windows repair, to avoid losing any files. To resolve this issue, a Windows repair is needed to replace the corrupted system files. Mouse wheel issues can also be due to corrupt system files in Windows. How to install and update a computer driver.See the input manufacturers section for a listing of links to mouse manufacturers. If the suggestions above do not help resolve your issue or mouse software is not installed on your computer, we suggest trying to install the latest mouse drivers. Often these programs are accessible by clicking a mouse icon in the Systray. For example, Logitech mice often have software separate from Windows that allows users to adjust their mouse settings. If you're using a mouse not manufactured by Microsoft, you may also want to adjust the mouse settings through the software that came with it.

Verify this change helps correct your mouse issues. After this is adjusted, click Apply and then click OK. Then, try adjusting the number of lines to scroll the mouse or try changing the mouse to scroll one page at a time. In the Mouse Properties window, select the Wheel tab. You must use the 'Category' view in Control Panel to see the Hardware and Sound option.

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