Samsung LED 7500 series E-Manual page 173

Antenna (Air/Cable) Connection
There is something wrong
with the TV.
The TV is not receiving
all channels.
There are no captions
on digital channels.
The picture is distorted.
PC Connection
There is something wrong
with the TV.
The "Mode Not
Supported" message
appears.
The video is OK but
there is no audio.
Networking
There is something wrong
with the TV.
The wireless network
connection failed.
The Software Update
over the network has
failed.
Make sure the coaxial cable is connected securely.
Run Auto Tuning (Broadcasting
the channel list.
Verify that the antenna is positioned correctly.
Navigate to Caption (Broadcasting
setting.
Some channels may not have caption data.
The compression of video content may cause picture distortions. This is
especially true with fast moving pictures such as sports and action movies.
A weak signal can cause picture distortions. This is not a problem with the TV.
Set your PC's output resolution so it matches a resolution supported by the TV.
If you are using an HDMI connection, check the audio output setting on your PC.
If you are using a DVI to HDMI cable, a separate audio cable is required.
Make sure the TV is connected to a wireless IP router.
Check the network connection status.
If the TV is not connected to a network, connect to a network.
The upgrade will not proceed if you already have the latest software version.
Try this!
> Auto Tuning) to add all available channels to
> Caption) and change the
Try this!
Try this!
Caption Mode