Replacing the device’s batteries, changing the device’s settings in the control panel, and uninstalling conflicting software are also common fixes.
Disabling media mode and updating or uninstalling the drivers could fix the issue. Your scroll is adjusting the volume because the mouse is in media mode or the drivers are outdated or corrupt. There could be several different things causing your mouse wheel to adjust the volume in place of scrolling.
So, what’s causing it, and what can be done about it? Thankfully, you’re in capable hands as I’ve seen a bunch of users who have struggled with this issue before, and we’ve been able to resolve it the majority of the time. Has the mouse wheel function started to change the system’s volume instead? Regardless of what’s causing your scroll to act out of the ordinary, you’re not the first one to experience it and you’re not going to be the last one either. Has your mouse wheel started behaving strangely? Are you not able to scroll up and down the displayed page on the computer with the help of the mouse wheel no more?