Windows in the 1990s and early 2000s don’t feed images to the screen and video out ports at the same time, so your projector is now your screen. The default used to be that there’s no picture on your laptop (it also happened on desktop PCs, by the way). Older Windows Versions Require Projector Screen Switching: It was only recently that screen mirroring became the default option when running a projector with your laptop.Here are the things you need to keep in mind when switching from a laptop or desktop PC display to a projector display. Mirroring a Laptop or Desktop Display on Your Projector You might also need to configure your computer in case the projector screen is using the wrong resolution or something. They work by toggling screen modes or mirroring the laptop or desktop PC’s screen as you open the slideshow app. This is because they’re mainly made for presentations.
Many business projectors do this automatically, however. However, there are times when the notebook or workstation PC will need manual mirroring. If you want to switch laptop screen to the projector screen, you’re actually curious about mirroring the desktop of your laptop screen unto the projector. When your projector and computer are connected together and turned on, both of them should display the same image, whether it’s the desktop, application, or game playing on your PC.
