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Maintenance 15
Only the initial screen appears and not the im-
age from the external device.
• Check if the cables are connected to the right
sockets.
• Please check that the external device is
switched on.
Only the initial screen appears and not the im-
age from the connected computer.
• Check that the HDMI cable is correctly
connect to the computer's HDMI interface.
• Check if the resolution of the computer is set
to
1280 x 720.
• Check if the correct presentation mode is
selected on your computer. Try other modes
(e.g.: projector, only).
Problems Solutions
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