Dell E1909Wb User's Guide - Page 29

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 Possible Solutions l Ensure that the video cable connecting the monitor and the computer is properly connected and secure. l Verify that the power outlet is functioning properly using any other electrical equipment. l Ensure that the power button is depressed fully. No Video/Power LED on No picture or no brightness l Increase brightness & contrast controls via OSD. l Perform monitor self-test feature check. l Check for bent or broken pins in the video cable connector. l Run the built-in diagnostics. Poor Focus Picture is fuzzy, blurry, or ghosting l Perform Auto Adjust via OSD. l Adjust the Phase and Pixel Clock controls via OSD. l Eliminate video extension cables. l Reset the monitor to Factory Settings. l Change the video resolution to the correct aspect ration (16:10). Shaky/Jittery Video Wavy picture or fine movement l Perform Auto Adjust via OSD. l Adjust the Phase and Pixel Clock controls via OSD. l Reset the monitor to Factory Settings. l Check environmental factors. l Relocate the monitor and test in another room. Missing Pixels LCD screen has spots l Cycle power on-off. l Pixel that is permanently off is a natural defect that can occur in LCD technology. l Run the built-in diagnostics. Stuck-on Pixels LCD screen has bright spots l Cycle power on-off. l Pixel that is permanently off is a natural defect that can occur in LCD technology. l Run the built-in diagnostics. Brightness Problems Picture too dim or too bright l Reset the monitor to Factory Settings. l Auto Adjust via OSD. l Adjust brightness & contrast controls via OSD. Geometric Distortion Screen not centered correctly l Reset the monitor to Factory Settings. l Auto Adjust via OSD. l Adjust brightness & contrast controls via OSD. Horizontal/Vertical Lines Screen has one or more lines NOTE: When using '2: DVI-D', the positioning adjustments are not available. l Reset the monitor to Factory Settings. l Perform Auto Adjust via OSD. l Adjust Phase and Pixel Clock controls via OSD. l Perform monitor self-test feature check and determine if these lines are also in self-test mode. l Check for bent or broken pins in the video cable connector. l Run the built-in diagnostics. Synchronization Problems NOTE: When using '2: DVI-D', the Pixel Clock and Phase adjustments are not available. Screen is scrambled or appears torn l Reset the monitor to Factory Settings. l Perform Auto Adjust via OSD. l Adjust Phase and Pixel Clock controls via OSD. l Perform monitor self-test feature check to determine if the scrambled screen appears in self-test mode. l Check for bent or broken pins in the video cable connector. l Restart the computer in the safe mode. Safety Related Issues Visible signs of smoke or sparks l Do not perform any troubleshooting steps. l Contact Dell immediately. Intermittent Problems Monitor malfunctions on & off l Ensure that the video cable connecting the monitor to the computer is connected properly and is secure. l Reset the monitor to Factory Settings. l Perform monitor self-test feature check to determine if the intermittent problem occurs in self-test mode. Missing Color Picture missing color l Perform monitor self-test feature check. l Ensure that the video cable connecting the monitor to the computer is connected properly and is secure. l Check for bent or broken pins in the video cable connector. Wrong Color Picture color not good l Change the Color Setting Mode in the Color Settings OSD to Graphics or Video depending on the application. l Try different Color Preset Settings in Color Settings OSD. Adjust R/G/B value in Color Settings OSD if the Color Management is turned off. l Change the Input Color Format to PC RGB or YPbPr in the Advance Setting OSD. l Run the built-in diagnostics. Image retention from a static Faint shadow from the static image left on the monitor for a image displayed appears on long period of time the screen l Use the Power Management feature to turn off the monitor at all times when not in use (for more information, see Power Management Modes). l Alternatively, use a dynamically changing screensaver. Product Specific Problems