What to do if an error message "No signal" appears on my IFP7550 while connecting to an external device? : ViewSonic Customer Care

What to do if an error message "No signal" appears on my IFP7550 while connecting to an external device? Print

Modified on: Wed, 9 Jan, 2019 at 3:14 AM

1. Please check and make sure the correct input source is selected.

2. Do not mix up HDMI 2.0 and HDMI 1.4 input ports as it may lead to a blank screen.

3. If a Windows-based notebook is connected, press "Windows Key + P" and make sure the Project settings is either on Duplicate or Extend.

4. A defective HDMI or VGA cable can also cause such no signal problem.

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