Dell P2715Q Dell Users Guide - Page 45
Common Problems, Button 4, Common, Symptoms, What You, Experience, Possible Solutions
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4 Carefully inspect the screen for abnormalities. 5 Press Button 4 on the front panel again. The color of the screen changes to red. 6 Inspect the display for any abnormalities. 7 Repeat steps 5 and 6 to inspect the display in green, blue, black, white, and text screens. The test is complete when the text screen appears. To exit, press Button 4 again. If you do not detect any screen abnormalities upon using the built-in diagnostic tool, the monitor is functioning properly. Check the video card and computer. Common Problems The following table contains general information about common monitor problems you might encounter and the possible solutions: Common Symptoms What You Experience Possible Solutions No Video/Power No picture LED off • 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 depressed fully. • Ensure that the correct input source is selected in the Input Source menu. No Video/Power No picture or no • Increase brightness & contrast controls via OSD. LED on brightness • Perform monitor self-test feature check. • Check for bent or broken pins in the video cable connector. • Run the built-in diagnostics. • Ensure that the correct input source is selected in the Input Source menu. Missing Pixels LCD screen has spots • Cycle power on-off. • Pixel that is permanently off is a natural defect that canoccur in LCD technology. • For more information on Dell Monitor Quality and Pixel Policy, see Dell Support site at: http:// www.dell.com/support/monitors. Stuck-on Pixels LCD screen has bright spots • Cycle power On-Off. • Pixel that is permanently off is a natural defect that canoccur in LCD technology. • For more information on Dell Monitor Quality and PixelPolicy, see Dell Support site at: http:// www.dell.com/support/monitors. Brightness Problems Picture too dim • Reset the monitor to factory settings. or too bright • Adjust brightness & contrast controls via OSD. Safety Related Visible signs of • Do not perform any troubleshooting steps. Issues smoke or sparks • Contact Dell immediately. Troubleshooting | 45