To select the type of pointer that is displayed on the desktop, perform the following steps:
Click on the Cursors tab in the Mouse Preferences dialog.
Select one of the following themes from the pointer themes that are listed in the Cursor Theme list box:
Displays the default black pointer.
Displays a white pointer that is the same size as the default pointer.
Displays a large black pointer.
Large White Cursor
Displays a large white pointer.
To change the pointer theme, you must log out of your session and log in again.