4. The image works but there is no sound
①. Are the input cables connected correctly?
②. Volume at minimum or silent
③. Check that the audio format of the video is in the supported list
5. Turns off automatically after being turned on for a while
①. Is there a barrier around the fan?
②. Small or large voltage fluctuations
③. Check the overheating protection system
6. I can not find devices connected with hard drives or flash drives
①. Re-insert the device
②. Check if the device is working
7. Unable to play video
①. Is the video format correct?
②. The file is corrupted?
③. The device is damaged
Connection device
1.Connecting a PC
1.Use the supplied VGA cable to connect the PC to the projector.
2. Turn on the projector and the computer.
* NOTE: You can also connect an HDMI cable, remember that VGA
connections do not transmit audio, so the sound will be output from the
computer. If you connect an HDMI cable, the audio will be output to the
projector.
2. Connecting a smartphone
Connect a phone with Android system:
(Note: check if your Android phone supports MHL function.) MHL-HDMI
cable not included)
1. Connect the projector and the Android smartphone with the
MHL-HDMI cable.
2. Choose the signal source: "HDMI"
VGA
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