Windows 7: Click the icon and choose “Advanced Configuration” or right click on the Desktop and select “Screen resolution”. 
Set “multiple displays” to “Duplicate these displays.” Click “Apply.” Please note that your computer display may adjust. The MirrorBoard automatically sets both MirrorBoard and the computer display to a common resolution. You may see “black bars” or a lower resolution on MirrorBoard and/or the computer display.
Using the Pen
Pen settings can be customized by clicking the Tablet Properties icon in the task bar. 
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