2. Then click the "Settings" tab on the right, select the second monitor, which is actually a projector, click the "Extend windows Desktop to this monitor" option, and then click OK.
3. Then open the ppt editing interface and click the "Slide Show" button on the toolbar.
4. Then click the "Set Slide Show" button.
5. Then the "Set Presentation Mode" interface will pop up, and click and check the "Show Speaker View" option.
6. Then enter the note information in ppt, play it normally, and the effect can be displayed.