Open Mouse in Control Panel.
On the Pointer Options tab, under Visibility, select the Hide pointer while typing check box.
To open Mouse, click Start, click Control Panel, click Printers and Other Hardware, and then click Mouse.
If you choose to hide the pointer while typing, the pointer disappears as soon as you start typing. It reappears when you move the mouse.
Adjust the speed of your mouse pointer
Change the appearance of your mouse pointer
Improve the visibility of the mouse pointer