Dell U2717D User Manual

Dell U2717D User Manual Manual pdf 51 page image

Troubleshooting | 51Common ProblemsThe following table contains general information about common monitor problems youmight encounter and the possible solutions:CommonSymptomsWhat YouExperiencePossible SolutionsNo Video/PowerLED offNo picture • Ensure that the video cable connecting themonitor and the computer is properly connectedand secure.• Verify that the power outlet is functioningproperly using any other electrical equipment.• Ensure that the power button is depressed fully.• Ensure that the correct input source is selected inthe Input Source menu.No Video/PowerLED onNo picture or nobrightness• Increase brightness & contrast controls via OSD.• Perform monitor self-test feature check.• Check for bent or broken pins in the video cableconnector.• Run the built-in diagnostics.• Ensure that the correct input source is selected inthe Input Source menu.Missing Pixels LCD screen hasspots• Cycle power on-off.• Pixel that is permanently off is a natural defectthat canoccur in LCD technology.• For more information on Dell Monitor Qualityand Pixel Policy, see Dell Support site at:http://www.dell.com/support/monitors.Stuck-on Pixels LCD screen hasbright spots• Cycle power On-Off.• Pixel that is permanently off is a natural defectthat canoccur in LCD technology.• For more information on Dell Monitor Qualityand PixelPolicy, see Dell Support site at:http://www.dell.com/support/monitors.BrightnessProblemsPicture too dimor too bright• Reset the monitor to factory settings.• Adjust brightness & contrast controls via OSD.Safety RelatedIssuesVisible signs ofsmoke or sparks• Do not perform any troubleshooting steps.• Contact Dell immediately.IntermittentProblemsMonitormalfunctions on& off• Ensure that the video cable connecting themonitor to the computer is connected properlyand is secure.• Reset the monitor to factory settings.• Perform monitor self-test feature check todetermine if the intermittent problem occurs inself-test mode.