From ViewSonic User Guide Database
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Troubleshooting Common Problems
General
Problem or Issue
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Possible Solutions
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Remote Control is not working
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- Check whether something is obstructing the display’s remote control receiver.
- Check whether the batteries in the remote control are installed correctly.
- Check whether the batteries need to be replaced.
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The unit turns off unexpectedly
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- Check whether Sleep mode is enabled.
- Check if there is a power outage in your area.
- Turn on the display and see if the problem is with the signal and control system.
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PC Mode
Problem or Issue
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Possible Solutions
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No PC signal
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- Check the display settings.
- Check the display resolution.
- Adjust the Hs &Vs (synchronization) settings using the OSD menu.
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Background streaking
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- Choose auto adjust.
- Adjust clock and phase.
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False color
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- Check the VGA connection.
- Adjust the chroma, brightness, and contrast settings.
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Unsupported format
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- Choose auto adjust.
- Adjust clock and phase settings.
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Touch Function
Problem or Issue
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Possible Solutions
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Touch function is not responding
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- Check that drivers are installed correctly.
- Reinstall driver(s).
- Check setup and align it.
- Check whether the touch pen is working properly.
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Video Not Working Properly
Problem or Issue
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Possible Solutions
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No picture / No sound
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- Check the Power status.
- Check the signal cable.
- Check that the internal PC is installed correctly.
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Picture is unclear or cuts in and out
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- Check the signal cable.
- Check if other electronics are interrupting the signal.
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Poor quality picture
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- Adjust chroma, brightness, and contrast settings in the menu.
- Check the signal cable.
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Audio Not Working Properly
Problem or Issue
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Possible Solutions
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No sound
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- Press the Mute/Unmute button.
- Adjust the volume.
- Check the audio cable.
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One speaker only
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- Adjust the sound balance in the menu.
- Check the sound control panel settings of the computer.
- Check the audio cable.
- NOTE: SPDIF and Audio Out only work in Embd Player, HDMI, and DisplayPort (DP) channels.
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Online Support Center