Dell W3706MC Owner's Manual page 39

Problem
Screen has one or more lines
The front panel buttons do not work
The picture is too small
Possible Solution
Check the aspect ratio settings in the TV Menu. Press the Menu
1
button on the remote control and select Size. For more
information on using the TV Menu, see "Using the TV Menu"
on page 27.
Ensure the proper source is selected in the Input Select menu.
2
See "Input Select" on page 28 for more information.
Try connecting a different device. Ensure that you properly
3
connect the cables and update the input source in the TV
Menu.
Update the size settings in the TV Menu. Press Menu button on
4
the remote control and select Size.
Reset the original factory defaults. Press Menu button on the
5
remote control, select Setup, and then select Factory Reset.
Check the TV Menu to see if the buttons have been locked. Press
Menu button on your remote control, select Setup.
Use the front panel buttons to unlock the TV Menu and front
panel buttons:
Press the Menu button.
1
A message appears stating that the TV Menu and buttons are
locked.
While the message is on the screen, press the volume up and
2
channel up buttons on the front panel simultaneously for 10
seconds.
A message appears stating that the TV Menu and buttons are
unlocked.
Adjust the size settings. Press Menu button on the remote
1
control, and select Size.
This may be a problem with your device. See the
2
documentation for the device.
Troubleshooting Your TV
39