![]() For Miroir projector models that have an operating system built in (M200A and M300A), you will see the home screen displayed if the projector is not receiving an input signal. "No Signal" or No Image from Projectorįor most models, you will see a "No Signal" message on screen or only the Miroir logo screen if the projector is not receiving an input signal. Perhaps one of those settings also disables screen sharing over HDMI? I've looked through them and tried changing back quite a few, but nothing is helping so far.This article is intended for users who are having difficulty connecting a laptop or computer to their Miroir projector. ![]() Thus, I wonder, are there any settings in the operating system that would disable the HDMI output? A few weeks ago, I changed a number of settings in Settings -> Privacy to disable unnecessary reporting to Microsoft and to disable unnecessary sharing of system resources with apps. Those options disappear when the cable is unplugged. Also, only when the HDMI cable is plugged in, I have additional options on the Display settings page, about what to do with the second display, such as mirror the primary display. When the cable is unplugged, that disappears. When I enter Settings on my laptop (Start -> Settings -> System -> Display) while the HDMI cable is connected, I get a blue rectangle on the Display settings page that has a "1/2" displayed on it. We tried uninstalling and reinstalling my video driver. We tried rebooting both laptop and projector in various orders. ![]() I tried my laptop again, and it still didn't work. I tried a colleague's laptop, and the projector worked fine with that other laptop. Now, almost two years later, when I tried to do that again, the projector showed only an empty blue screen. When I taught at school before coronavirus, I used to plug an HDMI cable into my laptop, and the machine in the classroom would share my laptop's screen image through the projector. ![]()
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