Dell D2719HGF Users Guide - Page 24

Troubleshooting WARNING: Before you begin any of the procedures in this section, follow the Safety instructions. The following table contains general information about common monitor problems you might encounter and the possible solutions: Common symptoms No Video/Power LED off What you experience No picture No picture or no brightness Missing Pixels LCD screen has spots Possible solutions • Ensure that the video cable connecting the monitor and the computer is properly connected and secure. • Verify that the power outlet is functioning properly using any other electrical equipment. • Ensure that the power button is pressed fully. • Ensure that the correct input source is selected in the Input Select menu. • Increase brightness & contrast controls via OSD. • Check for bent or broken pins in the video cable connector. • Ensure that the correct input source is selected in the Input Select menu. • Cycle power On-Off. • Pixel that is permanently off is a natural defect that can occur in LCD technology. • For more information on Dell Monitor Quality and Pixel Policy, see Dell Support site at: http:// www.de l l.com/support/monitors. 24 │ Troubleshooting