main mointer disappear1 What to do when the program window shown on the sub-monitor is not on the main monitor(2 min. solution) In addition to the main monitor, there are cases where one more monitor is connected and used. However, if you remove the monitor installed as a sub while using it, the Windows programs that were always running on the sub monitor appear invisible. Windows remembers the location of the monitor and screen where the program was last executed, and then displays the program window again in that place.. 2022. 1. 21. 이전 1 다음