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Problems
The projector cannot be turned on.
The projector cannot be turned off.
No image from the external HDMI device.
No sound from the external connected
device.
No sound from external HDMI output
device.
No sound when you connect your
computer via HDMI cable.
Only the home menu appears and not the
image from the external device.
Only the home menu appears and not the
image from the connected computer.
The projector turns itself off.
The projector cannot read the USB stick.
The projector does not react to remote
control commands.
Measures to take if Screen Mirroring does
not work anymore after a firmware update
of an Android or iOS device?
Service
Solutions
• Disconnect and reconnect the power cable, and
try to turn the projector on again.
• Press and hold
longer than ten seconds. If this
does not work, disconnect the power cable.
• Check if the correct HDMI input is selected (HDMI
1 or HDMI 2).
• Disconnect the HDMI cable or switch off the
HDMI device.
• Wait three seconds.
• Reconnect the HDMI cable or switch on the HDMI
device again.
• Check the cables to the external device.
• Check that the sound is activated on the external
device.
• Only the original cables from the device
manufacturer may function.
• On the HDMI output device, set the audio setting
to Multichannel (Raw data) & Stereo (PCM).
• Check that the sound is activated on the
computer.
• Check if the cables are connected to the correct
sockets.
• Check that the external device is turned on.
• Check if the video output of the external device is
turned on.
• Check that the VGA output of the computer is
turned on.
• Check if the resolution of the computer is set to
1920*1080 (for VGA connection) or 1080P (for
HDMI connection).
• When the projector is running for a long period of
time, the surface becomes hot.
• Check that the power cable is connected correctly.
• The projector does not support the exFAT file
system.
• Format the USB stick in FAT format, then use it.
• Check the batteries of the remote control.
• We recommend checking regularly for new
firmware of your projector (see Update software,
page 16).
17
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