Samsung 4000 Series User Manual page 207

Issues
The picture is
distorted: macroblock,
error, small block,
dots, pixelization.
PC Connection
A "Mode Not
◀
Supported" message
appears.
"PC" is always shown
on the source list,
even if a is not
PC
connected.
Solutions and Explanations
●
Compression of video contents may cause picture
distortion. especially on fast moving pictures such as
sports and action movies.
●
A weak signal can cause picture distortion. This is not a
TV problem.
●
Set your PC's output resolution so it matches the a
resolution supported by the TV.
●
This is normal. "PC" is always shown in the source list,
regardless of whether a
English
is connected.
PC
▶