Wired mouse lagging in Macbook pro 13 after updating to macOS Catalina.
After updating to macOS Catalina, my wired mouse is lagging continuously. In mouse setting, it's having problem with mouse detection.
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Welcome!
Is this an Apple mouse? If not, please tell us what brand and model. If not an Apple mouse, it is very possible that the makers' software that most come with is not Catalina compatible and the mouse is functioning only at a very basic level--no special click combos, acceleration, etc.
If this is a non-Apple mouse, check with the maker's support site to se e if Catalina -compatible updates to the mouse software are available.
If this is an Apple mouse, try an SMC reset:
How to reset the SMC of your Mac - Apple Support
Be sure you are using the proper reset technique for your MBP variant. In other words, read over the entire article before taking action. Using the wrong method for your MBP sub-model could be unpleasant.