Dell LCD TV W4200 - Manual (Page 39)

Troubleshooting Problems With Your TV
39
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Using the Self-Test Feature when Connected to a Computer
When your computer is connected to the TV display through DVI or VGA connector you can use
the self-test feature to check whether your TV display is functioning properly. If your TV display
and computer are properly connected but the TV display screen remains dark, run the TV display
self-test by performing the following steps:
1 Turn off both your computer and the TV display.
2 Unplug the video cable from the back of the computer.
3 Turn on the TV display. If the TV display cannot sense a video signal and is working correctly,
the floating "Self-Test Feature Check" dialog box appears on the screen (against a black
background). While in self-test mode, the power light remains blue and the self-test pattern
scrolls through the screen continually. This box also appears during normal system operation
if the video cable becomes disconnected or damaged.
4 Turn off your TV display and reconnect the video cable; then turn on both your computer and
the TV display. If your TV display 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 Display as a Monitor
Problem Possible Solution
The picture is off-centered or too small 1 Use Auto Adjust to check the Image Settings. Press Menu to
enter the OSD, select Image Settings, 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 support the resolution
settings for the TV display.
No audio 1 Ensure the green audio cable is connected to audio connector on
the TV display and on the computer. For the location of the
connector on the TV display, see "Using the VGA Connector" on
page 17. See your computer documentation for the location of
connectors on your computer.
Do not connect the audio cable to the headphone jack.
2 Ensure the volume on the computer is not muted.
3 Verify that sound on your computer is working by checking the
speakers. See your computer documentation for information on
troubleshooting your computer.
4 Disconnect the TV display from the computer and test to see if
the TV display volume works.
DZ101_eUM.book Page 39 Friday, October 8, 2004 2:25 PM