Desktop or laptop? First off, rule out any mouse problem. Change the USB slot it's plugged into. Wireless? Check the battery. Any other device interfering with the USB receiver? Try another mouse if you have one.
Try changing the mouse settings, like how many lines to scroll at a time. Is it a gaming mouse? Latest driver?
Do you happen to have a touch screen display?
Does the computer have Bluetooth? Turn it off and test.
Also, try a different keyboard, if you have one.
Last edited by WolfJames; 10-15-2019 at 06:53 AM.
Reason: Added info
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