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Thread Starter 
hi guys,
New user, first post. I have a M90 mouse that when you scroll with wheel, it flutters. goes up a few lines and then jumps back down. Scrolling up is worse than down. I have updated firmware for mouse. problem is on different mice so I feel its a software problem. have deleted drivers that I see, I have not deleted any registry entrys, plugged into different usb ports, no fix, changed settings for mouse, no fix. Not sure why it would do it. It does it in all programs or games. cant scroll, zoom, whatever. All other lmk if you guys have any ideas. Thx
jim