Dell IN2020M User's Guide - Page 26

Dell IN2020/IN2020M Flat Panel Monitor User's Guide For OSD-related issues, see OSD Warning Messages. Common Problems The following table contains general information about common monitor problems that 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. No Video/Power LED on Poor Focus Shaky/Jittery Video Missing Pixels Stuck-on Pixels Brightness Problems Geometric Distortion Horizontal/Vertical Lines Synchronization Problems No picture or no brightness Picture is fuzzy, blurry, or ghosting 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. 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 ratio (16:9). 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. LCD screen has spots LCD screen has bright spots Picture too dim or too bright Screen not centered correctly Screen has one or more lines Screen is scrambled or appears torn Cycle power on-off. Pixel that is permanently off is a natural defect that can occur in LCD technology. Run the built-in diagnostics. Cycle power on-off. Pixel that is permanently off is a natural defect that can occur in LCD technology. Run the built-in diagnostics. Reset the monitor to Factory Settings. Auto Adjust via OSD. Adjust brightness & contrast controls via OSD. Reset the monitor to Factory Settings. Auto Adjust via OSD. Adjust brightness & contrast controls via OSD. 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. 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 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 Intermittent Problems Missing Color Visible signs of smoke or sparks Monitor turns on & off Picture lacks color Do not perform any troubleshooting steps. Contact Dell immediately. 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. 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. file:///C|/Users/santhosh_v/Desktop/UG_en/solve.htm[3/27/2013 12:21:04 PM]