Troubleshooting 61Common ProblemsThe following table contains general information about common monitorproblems you might encounter and the possible solutions.Common Symptoms What YouExperiencePossible SolutionsNo Video/Power LEDoffNo picture • Ensure that the video cableconnecting the monitor andthe computer is properlyconnected and secure.• Verify that the power outlet isfunctioning properly using anyother electrical equipment.• Ensure that the power button isdepressed fully.• Ensure that the correct inputsource is selected via the InputSource Select button.• Check the “Power LED Button”option under Energy in OSDMenu.No Video/Power LEDonNo picture or nobrightness• Increase brightness & contrastcontrols via OSD.• Perform monitor self-testfeature check.• Check for bent or broken pinsin the video cable connector.• Ensure that the correct inputsource is selected via the InputSource Select menu.• Run the built-in diagnostics.Poor Focus Picture is fuzzy, blurry,or ghosting• Perform Auto Adjust via OSD.• Adjust the Phase and PixelClock controls via OSD.• Eliminate video extensioncables.• Reset the monitor to FactorySettings.• Change the video resolution tothe correct aspect ratio (16:9).Shaky/Jittery Video Wavy picture or finemovement• Perform Auto Adjust via OSD.• Adjust the Phase and PixelClock controls via OSD.• Reset the monitor to FactorySettings.• Check environmental factors.• Relocate the monitor and testin another room.