44 Troubleshooting Your TVw w w . d e l l . c o m | s u p p o r t . d e l l . c o mUsing the Self-Test Feature When Your TV is Connected toYour ComputerWhen your computer is connected to the TV through DVI or VGA connector you can use theself-test feature to check whether your TV is functioning properly. If your TV and computerare properly connected but the TV screen remains dark, run the TV self-test by performing thefollowing steps:1 Turn off both your computer and the TV.2 Unplug the video cable from the back of the computer.3 Turn on the TV.If the TV cannot sense a video signal and is working correctly, the floating "Dell - Self-TestFeature Check" dialog box appears on the screen (against a black background).While in self-test mode, the power light remains green and the self-test pattern scrollsthrough the screen continually. This box also appears during normal system operation ifthe video cable becomes disconnected or damaged.4 Turn off your TV and reconnect the video cable; then turn on both your computer and theTV. If your TV screen remains blank, the problem may be with your computer or graphic card.See your computer documentation for more information.Problems When Using the TV as a MonitorNOTE: You can only connect your computer to the TV using a VGA connector.Problem Possible SolutionThe picture is off-centered or too small 1 Use Auto Adjust to check the Image Settings.Press Menu to enter the OSD, select ImageSettings, and then select Auto Adjust.2 Check the optimal resolution settings.You may need to download a new video driver.For more information, go to support.dell.com.NOTE: Some older video cards may not supportthe resolution settings for the TV.
