Samsung T23A950 User Manual (user Manual) (ver.1.0) (English) - Page 274

Issues No caption on digital channels. The picture is distorted: macro block error, small block, dots, pixelization. PC Connection A "Mode Not Supported" message appears. ◀ "PC" is always shown on the source list, even if a PC is not connected. The video is OK but there is no audio. Solutions and Explanations •• Check the Caption Setup menu. Try changing Caption Mode Service1 to CC1. •• Some channels may not have caption data. •• The compression of video contents may cause picture distortion, especially with 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 a resolution supported by the TV. ▶ •• This is normal. "PC" is always shown in the source list, regardless of whether a PC is connected. •• If you are using an HDMI connection, check the audio output setting on your PC. English