ViewSonic IFP7550 - Gen 2 IFP7550-2 User Guide - Page 115
Troubleshooting, Problem or Issue
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Troubleshooting This section describes some common problems that you may experience when using the ViewBoard. Problem or Issue Remote Control is not working Possible Solutions 1. Check whether something is obstructing the display's remote control receiver. The unit turns off unexpectedly 2. Check whether the batteries in the remote control are installed correctly. 3. Check whether the batteries need to be replaced. 1. Check whether Sleep mode is enabled. 2. Check if there is a power outage in your area. 3. Turn on the display and see if the problem is with the signal and control system. PC Mode Problem or Issue No PC signal Background streaking False color Unsupported format Possible Solutions 1. Check the display settings. 2. Check the display resolution. 3. Adjust the Hs &Vs (synchronization) settings using the OSD menu. 1. Choose auto adjust. 2. Adjust clock and phase. 1. Check the VGA connection. 2. Adjust the chroma, brightness, and contrast settings. 1. Choose auto adjust. 2. Adjust clock and phase settings. 115