It may have gone off center just enough to be sensitive to changes in temperature and humidity in your room, thus the intermittent part of the issue. Unplug your mouse, then plug it back in after a few minutes. How do I fix uncontrollable scrolling Windows 10 Scrolling by itself Quick Fixes. Weak batteries in a wireless mouse can cause unpredictable effects, including unexplained scrolling. If you have any such device on your keyboard, you can try moving it to see if it seems to be more sensitive in one direction (the direction in which you are seeing scrolling issues). Why does my computer Scroll down by itself Check the batteries in your mouse if the device is battery-powered. Hardware wise, there are a few keyboards with a wheel, lever, knob, or joystick type control which can be set to scroll as one of their functions. Safest just to open Word documents or something local that you can check the scrolling in. I would caution against using the Internet if you see that safe mode also disables any antivirus / antimalware protection you have installed. This would start your computer with most drivers disabled, so you can immediately eliminate or confirm this without going and uninstalling them individually. For instance, you could reboot into Safe Mode by tapping F8 repeatedly while the computer is booting up, so you see the startup options menu and can choose Safe Mode (with networking, if you want to use the Internet, but see below for caution). Do something where this problem occurs, and disconnect your mouse from your computer, see if that scrolling starts then, if so Your mouse is most likely to. I would look towards drivers that can impact scrolling, such as Logitech SetPoint, Microsoft Keyboard and mouse center, and also touchpad drivers which can have settings such as scrolling when your touch is against the far side of the pad.

Why does my computer scroll by itself