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.
![Under the Under the](https://0.rc.xiniu.com/g1/M00/4A/4D/CgAGS2CstXGAROeVAAChyl3XU1g079.png)
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.
![Under the Under the](https://0.rc.xiniu.com/g1/M00/4A/56/CgAGS2CsupKAf-l1AAP5UJkWXnc071.png)
![Under the Under the](https://0.rc.xiniu.com/g1/M00/4A/56/CgAGS2CsuqqAcbSsAAT74FQ9kGo333.png)
![Under the Under the](https://0.rc.xiniu.com/g1/M00/4A/56/CgAGS2CsuraANqB_AATc_WcN0uk564.png)
4、Open the driver again and click 'Configure You Pen /Display'
![Under the Under the](https://0.rc.xiniu.com/g1/M00/4A/57/CgAGS2CsuwaAHhfgAACOyqnlJIo270.png)
5.Press 'enter' key to switch screens. When the following box appear, the pen cursor will be synchronized successfully.
![Under the Under the](https://0.rc.xiniu.com/g1/M00/4A/57/CgAGS2Csu5-AEiF6AABZM8sYBXw172.png)