Samsung UN32D4000NDXZA - Manual (Page 191)

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English
Issues Solutions❑and❑Explanations
The video is OK but
there is no audio.
●
If you are using an HDMI connection, check the audio
output setting on your PC.
Network Connection
for LED 5 series 32-46 inches
The wireless network
connection failed.
●
The Samsung Wireless USB dongle is required to use a
wireless network.
●
Make sure the network connection is set to Wireless❑
(General) .
●
Make sure the TV is connected to a wireless IP sharer
(router).