FAQ
1.How to connect Extend Mode for Windows OS?
Right-click desktop→ select Intel display Settings → pop-up Settings screen select display→ select multi-screen display→ expand the desktop
(If the display 3 is not display, please to manually select the display→click apply confirm can set OK).
2.If one of display does not display, How to do?
Right click desktop > Graphics Settings > Select One or More Active Displays.
3.How to switch Mac device to Extend Mode?
"Setting" → "Display" → click the "mirror display" box to switch to Extend mode → then you can drag a window of website/movie to the rightest side of your desktop screen until it disappear on your desktop screen and show up on the external monitor screen.
( Important Note: As Apple company itself limited, for Mac OS devices use in extend mode, the image on the two external screens will be the same.)