Cause: Mouse pointer speed can be a real pain if it is not configured correctly. Fortunately, if your mouse pointer moves too quickly or too slowly on the screen, you can easily fix the problem.
To adjust pointer speed, follow these steps:
1. Click Start--> Control Panel--> Mouse.
2. Click the Pointer Options tab--> Under Motion--> adjust the slider bar until the mouse pointer moves at the speed you want. You should also make sure the Enhance Pointer Precision check box is selected. This selection gives you greater control over the mouse pointer on the screen--> Click OK.