So, check if it is blinking or erratic in its function. Option 2 – Receiver Light Synchronization Once the batteries are changed, try using it to see if it has regained normal function. If you notice that the batteries are bloated or have a green/black liquid seeping out, it is time for a change. It might stop working altogether or malfunction by randomly scrolling on its own. When the batteries are weak, the wireless mouse stops proper function. How to Fix Mouse Scrolling Problems on My Laptop External Mouse Option 1 – Batteries Switch When you troubleshoot, you will find that a laptop scrolling by itself occurs as a result of either of the following: weak batteries in an external mouse, malfunctioning USB of an external mouse, defective touchpad.īelow, we take a look at how to troubleshoot both an external mouse and touchpad to fix the issue of scrolling. Can I Use Another Means to Scroll On My Laptop?.How to Fix Mouse Scrolling Problems on My Laptop.