Dell ST2321L User's Guide - Page 32

Synchronization Problems Screen is scrambled or appears torn 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. 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 scrambled screen appears in self mode. l Check for bent or broken pins in the video cable connector. l 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 l Do not perform any troubleshooting steps. l Contact Dell immediately. 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 mode. 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 is not good l Change the Color Setting Mode in the Color Settings OSD to Graphics or Video depending to the application. l Try a different Color Preset Setting 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. Image retention from a static image left on the monitor for a long period of time Faint shadow from the static image displayed appears on the screen l Use the Power Management feature to turn off the monitor at all times when not in use information, see Power Management Modes). l Alternatively, use a dynamically changing screensaver. Product-Specific Problems SPECIFIC SYMPTOMS Screen image is too small WHAT YOU EXPERIENCE POSSIBLE SOLUTIONS Image is centered on screen, but does not fill entire viewing area l Perform monitor reset on "Factory Reset" Cannot adjust the monitor with OSD does not appear on the the buttons on the front panel screen l Turn the monitor off and unplug the power cord and then plug back and power on No Input Signal when user controls pressed No picture, the LED light is amber. When control button is pressed, the message " No VGA cable", "No DVI-D cable"or "No HDMI cable" will appear. l Check the signal source. Ensure that the computer is not in power saving by moving the mouse or pressing any key on the keyboard. l Check whether the signal cable is plugged in and seated properly. Re-plug the signal cable if necessary. l Re-boot the computer or video player. The monitor will not fill the entire The picture does not fill the screen. height or width of the screen. l Due to the non-standard formats of DVDs, the monitor may not show the full screen pictures. Troubleshooting the Dell™ Soundbar (Optional) COMMON SYMPTOMS No Sound WHAT YOU EXPERIENCE Soundbar has power - power indicator is on. POSSIBLE SOLUTIONS l Plug the audio line-in cable into the computer's audio out jack. l Set all Windows volume controls to their maximum. l Play some audio content on the computer (i.e., audio CD, or MP3). l Turn the volume up. l Clean and reseat the audio line-in plug. l Test the Soundbar using another audio source (i.e., portable CD player). Distorted Sound Computer's sound card is used as the audio source. l Clear any obstructions between the Soundbar and the user. l Confirm that the audio line-in plug is completely inserted into the jack of the sound card. l Set all Windows volume controls to their midpoints. l Decrease the volume of the audio application.