Samsung UN55D7000LFXZA User Manual - Page 316

Issues 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. Network Connection The wireless network connection failed. Software Upgrade over the network fails. Solutions and Explanations •• 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. •• Make sure the Network Connection is set to Wireless(General). ▶ •• Make sure the TV is connected to a wireless IP sharer (router). •• Run Network Test in Network menu to confirm the connection. •• If you have latest Software (SW) version, SW upgrade will not proceed. ▶ English