Dell 1909Wb User's Guide - Page 82

Dell 1909W Flat Panel Monitor User's Guide 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 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 via the Input Source Select button. No Video/Power LED on No picture or no brightness Increase brightness & contrast controls via OSD. Perform monitor self-test feature check. Check for bent or broken pins in the video cable connector. Run the built-in diagnostics. Poor Focus Picture is fuzzy, blurry, or ghosting Perform Auto Adjust via OSD. Adjust the Phase and Pixel Clock controls via OSD. Eliminate video extension cables. Reset the monitor to Factory Settings. Change the video resolution to the correct aspect ration (16:10). Shaky/Jittery Video Wavy picture or fine movement Perform Auto Adjust via OSD. Adjust the Phase and Pixel Clock controls via OSD. Reset the monitor to Factory Settings. Check environmental factors. Relocate the monitor and test in another room. Missing Pixels LCD screen has spots Cycle power on-off. Pixel that is permanently off is a natural defect that can occur in LCD technology. Run the built-in diagnostics. Stuck-on Pixels LCD screen has bright spots Cycle power on-off. Pixel that is permanently off is a natural defect that can occur in LCD technology. Run the built-in diagnostics. Brightness Problems Picture too dim or too bright Reset the monitor to Factory Settings. Auto Adjust via OSD. Adjust brightness & contrast controls via OSD. Geometric Distortion Screen not centered correctly Reset the monitor to Factory Settings. Auto Adjust via OSD. 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. Reset the monitor to Factory Settings. Perform Auto Adjust via OSD. Adjust Phase and Pixel Clock controls via OSD. Perform monitor self-test feature check and determine if these lines are also in self-test mode. Check for bent or broken pins in the video cable connector. 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 Reset the monitor to Factory Settings. Perform Auto Adjust via OSD. Adjust Phase and Pixel Clock controls via OSD. Perform monitor self-test feature check to determine if the scrambled screen appears in self-test mode. Check for bent or broken pins in the video cable connector. Restart the computer in the safe mode. Safety Related Issues Visible signs of smoke or sparks Do not perform any troubleshooting steps. Contact Dell immediately. Intermittent Problems Monitor malfunctions on & off Ensure that the video cable connecting the monitor to the computer is connected properly and is secure. Reset the monitor to Factory Settings. Perform monitor self-test feature check to determine if the intermittent problem occurs in self-test mode. Missing Color Picture missing color Perform monitor self-test feature check. Ensure that the video cable connecting the monitor to the computer is connected properly and is secure. Check for bent or broken pins in the video cable connector. Wrong Color Picture color not good Change the Color Setting Mode in the Color Settings OSD to Graphics or Video depending on the application. 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. Change the Input Color Format to PC RGB or YPbPr in the Advance Setting OSD. 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 the long period of time screen Use the Power Management feature to turn off the monitor at all times when not in use (for more information, see Power Management Modes). Alternatively, use a dynamically changing screensaver. file:///T|/htdocs/monitors/1909W/en/ug/solve.htm[11/8/2012 2:54:16 PM]