Dell U2415 User Manual

Dell U2415 User Manual Manual pdf 61 page image

Troubleshooting | 61Product Specific ProblemsImage retentionfrom a staticimage left onthe monitor fora long period oftimeFaint shadowfrom the staticimage displayedappears on thescreen• Use the Power Management feature to turn off the monitorat all times when not in use (for more information, seePower Management Modes).• Alternatively, use a dynamically changing screensaver.SpecificSymptomsWhat YouExperiencePossible SolutionsScreen image istoo smallImage iscentered onscreen, but doesnot fill entireviewing area• Check the Aspect Ratio setting in the Display menu OSD.• Reset the monitor to factory settings.Cannot adjustthe monitorwith thebuttons on thefront panelOSD does notappear on thescreen• Turn Off the monitor, unplug the power cord, plug it back,and then turn On the monitor.• Check whether the OSD menu is locked. If yes, press andhold the button above the Power button for 10 seconds tounlock (for more information, see Lock).No Input Signalwhen usercontrols arepressedNo picture, theLED light is white• Check the signal source. Ensure the computer is not in thepower saving mode by moving the mouse or pressing anykey on the keyboard.• Check whether the signal cable is plugged in properly. Re-plug the signal cable if necessary.• Reset the computer or video player.The picturedoes not fill theentire screenThe picturecannot fill theheight or widthof the screen• Due to different video formats (aspect ratio) of DVDs, themonitor may display in full screen.• Run the built-in diagnostics.