There Is A Problem With The Broadcast; My Computer Won't Connect - Samsung UE55KU6500UXZT E-Manual

There Is a Problem with the Broadcast

When the TV has difficulties receiving broadcasts, these steps may help resolve the problem.
The problem
"Weak or No Signal" displayed
in TV mode/cannot find
channel.
The TV is not receiving all
channels.
There are no subtitles with
digital channels.
The picture is distorted.
The picture quality is low.

My Computer Won't Connect

When the TV has difficulties connecting to a PC, these steps may help resolve the problem.
The problem
The "Mode Not Supported"
message appears.
The video is OK but there is no
audio.
Select Source to confirm that the correct input source has been
selected.
If the TV is not connected to a cable or satellite box, run
for channels ( Settings
Confirm that the coaxial cable is securely connected to the TV.
Run Start Setup (
Settings Broadcasting
Go to Subtitle ( Settings
change the Subtitle Mode.
Some channels may not have subtitle data.
The compression of the video content may cause picture distortions. This is
especially true with fast moving pictures from sports programmes and action
movies.
A weak signal can cause picture distortions. This is not a problem with the TV.
Select high definition (HD) channels or programs.
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 an HDMI-to-DVI cable, a separate audio cable is required. Note
that the HDMI-to-DVI connection is only supported by the HDMI (DVI) port and
does not transmit audio. To listen to the computer sound, connect external
speakers to the audio output connection of the computer.
Try this!
Broadcasting
Settings System Start
Auto Tuning).
System Accessibility
Try this!
Auto Tuning to search
Auto Tuning).
Setup) or Auto Tuning
Subtitle) and
(