Please try the following steps that can help you improve that.
1、Open Bosto driver and click on 'Calibration'
2、Click on the display screen you are using to calibrate.
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3.If the above steps cannot help, please right click on the desktop to choose 'graphic setting' and move the display screen to the left side of the computer screen.
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4、Open the driver again and click 'Configure You Pen /Display'
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5.Press 'enter' key to switch screens. When the following box appear, the pen cursor will be synchronized successfully.
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