Dell E1920H User Manual

Also see for E1920H: Teardown Instruction Service manual Simplified service manual User guide

Dell E1920H User Manual Manual pdf 73 page image

Troubleshooting │ 73Common problemsThe following table contains general information about common monitor problemsyou might encounter and the possible solutions:Common SymptomsNo Video/Power LED offNo Video/Power LED onPoor focusShaky/Jittery videoBrightness problemsGeometric distortionHorizontal/Vertical linesMissing pixelsStuck-on pixelsEnsure that the video cable connecting the monitor and the computer isproperly connected and secure.Increase brightness and contrast controls using the OSD.Eliminate video extension cables.Check environmental factors.Adjust brightness & contrast controls via OSD.Adjust brightness & contrast controls via OSD.Check for bent or broken pins in the video cable connector.Run the built-in diagnostics.Perform monitor self-test feature check and determine if these lines arealso in self-test mode.Pixel that is permanently off is a natural defect that can occur in LCDtechnology.Pixel that is permanently off is a natural defect that can occur in LCDtechnology.Perform monitor self-test feature check.Reset the monitor to Factory Settings (Factory Reset).Reset the monitor to Factory Settings (Factory Reset).Reset the monitor to Factory Settings (Factory Reset).Reset the monitor to Factory Settings (Factory Reset).Reset the monitor to Factory Settings (Factory Reset).Cycle power On-off.Cycle power On-off.Check for bent or broken pins in the video cable connector.Change the video resolution to the correct aspect ratio.Relocate the monitor and test in another room.For more information on Dell Monitor Quality and Pixel Policy,see Dell Support site at:www.dell.com/support/monitors.For more information on Dell Monitor Quality and Pixel Policy, see DellSupport site at:www.dell.com/support/monitors.Run the built-in diagnostics.Verify that the power outlet is functioning properly using any otherelectrical equipment.Ensure that the correct input source is selected via the Input Source menu.Ensure that the correct input source is selected via the Input Source menu.Ensure that the power button is pressed.Possible Solutions