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Ellen WrightSep 4, 2025
What to do if external device is connected, but no image appears on the ViewSonic screen?
- Aandrea71Sep 4, 2025
If an external device is connected to your ViewSonic monitor but no image appears, first make sure the power is on. Then, adjust the brightness and contrast via the OSD Menu. Finally, check the connecting cable and ensure it is properly and securely connected.