The projector and the source device are not connected correctly. The 'No Signal' message (or some models with just display the Miroir Logo screen) indicates that the projector is not receiving an input signal from your source device. These are the most common reasons you may be seeing the 'No Signal' message: There are specific troubleshooting suggestions available for the most common types of sources available in these help center articles:
There are many different types of sources you can connect to your Miroir projector. For Miroir projector models that have an operating system built in (M280A, M710S, M700S, M1200S, and L500S), you will see the home screen displayed if the projector is not receiving an input signal. For most models (M190, M75, M29, M600, M289, 元00, M189, and M76) you will see a 'No Signal' message on screen or only the Miroir logo screen if the projector is not receiving an input signal. This article is intended for users who are having difficulty connecting a source device to their Miroir projector.