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1. Q: There is a picture but no sound when the video is playing, why?
A: Is the cable connected to the projector loose? Please also check whether the machine is muted. Some devices do not support Dolby. Contact customer service if it's a speaker problem.
2. Q: The screen flickers when the video is playing?
A: This may be caused by an unsupported refresh rate (for example, 120hz). The projector only supports 60Hz. It also may be caused by external equipment interference. Contact customer service if it is an overall projector problem.
3. Q: The screen is blurry when the video is playing?
A: There could be an unsupported refresh rate. The film source or the input source could also be faulty. Is the wire connected to the projector loose? Contact customer service if it's a screen problem.
4. Q: The video cannot be played?
A: It could be an unsupported format. Some devices do not support TDS, AC3, MKV. There are also copyright issues, such as (‘Amazon Prime’, ‘YouTube’, ‘Hulu’, ‘Netflix’, ‘Disney+’, Etc.). The source resolution could also be too high. (For example 4k, 8k).
5. Q: There is sound but no picture when the video is playing?
A: The source resolution could be too high. (For example 4k, 8k); Contact customer service if it's the speaker's problem.
6. Q: The sound and picture are out of sync when playing?
A: Please make sure that you have used the original cable. Unsupported refresh rate and network delay may also cause some issues. In general, connecting to Bluetooth devices (Bluetooth speakers, Bluetooth headsets) will cause an audio delay.
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