Hello JerrySleeman,
- Please reinstall mouse driver which in general solves the problems related to mouse.
On your Keyboard, press the Windows logo key and X at the same time. Press the down arrow key until you highlight Device Manager. Press Enter.
Press Tab, then the down arrow key until you highlight Mouse and other pointing device. Press the left arrow key to expand the option.
Press the down arrow key to highlight your mouse name, then Enter.
Press the Tab key and the Ctrl key at the same time until you get to the Driver tab. Press Tab until you highlight Uninstall Device. Then press Enter.
Click Enter.
If you’re prompted to restart your computer and you’re ready to go, press Enter. If not, press Tab to restart your computer later.
If you choose not to restart your computer right away, go to the toolbar in Device Manager and click Scan for hardware changes.
- Starting for the basics:
Reboot your computer. Generally, rebooting solves many problems.
In case of wireless mouse, pair it again with the computer
- Use the Hardware & Devices Troubleshooter
Type Troubleshoot in Windows Start Search Box
Click Troubleshoot
Click Hardware and Devices
Click Run the troubleshooter
4.Also have a look this article
https://support.microsoft.com/en-us/help/10164/...
- At last Run SFC Scan & DISM
Check how to (from our MVP ZigZag3143 ):
https://answers.microsoft.com/en-us/windows/for...
Hope it helps, have a good day