I had the same issue until I started doing this which works every time: Before starting the sim, only have the mouse plugged in. When the sim is loaded up and on the main menu THEN plug in the keyboard. Mouse should be working.
I had the same issue until I started doing this which works every time: Before starting the sim, only have the mouse plugged in. When the sim is loaded up and on the main menu THEN plug in the keyboard. Mouse should be working.