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Troubleshooting Problems With Your TV
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FILE LOCATION: E:\workarea\customer\MAXNET\061101_ML-3731Manual-revisions\ch5e.fm
DELL CONFIDENTIAL – PRELIMINARY 12/6/06 – FOR PROOF ONLY
Using the Self-Test Feature when Connected to a
Computer
When your computer is connected to the TV display through RGB 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 "Check Signal" 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 as a PC Monitor
NOTE:
You can only connect your computer to the TV display using a RGB connector.
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 TV Menu, select Image Settings, and then select
Auto Adjust.
2
Check the PC ’ s video output resolution to see if it is
supported according to the supported resolutions listed
below. Some older video cards may not support the
resolution settings for the TV.