When using the extended screen, the taskbar window under the extended screen is exactly the same as that of the main display, and the windows under the two displays are stacked together, as shown in Figure 1. How to solve it?
Figure 1 The upper picture is of the extended screen, and the lower picture is of the main display
Solution
first step
Right click on the taskbar , select taskbar settings .
second step
Make the selection as shown below.
third step
You're done, whichever side opens the window, there will be a corresponding window under which side!