I have a Dell Optical USB Mouse (DP/N: OT0943) and when using sometimes the Mouse cursor will randomly jump to another location on the screen. If I am playing WOW it will cause the character to spin. What is causing this?
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Optical Mouse Cleaning is a problem for many. The mouse cursor seems to randomly jumping around and uncontrolable, which is caused by dirt on the optical beam. To prevent this from happening, place a piece of clear scotch tap over the optical lens and it will prevent dirt from getting into the lens. Then you won't have problems caused by dirt.
reinstall the driver for the mouse and see if that fixes it.... also you can try going to control panel----mouse and the changing the settings... you may have to experiment abit to get it the way you want it.
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The issue may not necessarily be with the mouse. Are you able to use the keyboard once the mouse freezes? If you not even able to use the keyboard, there is some application installed on your computer or a virus due to which the mouse freezes. If, in case, the keyboard works even though the mouse is stuck, try changing the USB port or try a different mouse.
Please revert back with any other observations.