Samsung 4000 Series User Manual page 205

Issues
There is no picture/
video
◀
Solutions and Explanations
●
Check the cable connections. (Remove and reconnect
all cables connected to the TV and external devices).
●
Set your external device's (Cable/Sat Box, DVD, Blu-
ray etc) video outputs to match the connections to the
TV input. For example, if an external device's output is
HDMI, it should be connected to an HDMI input on the
TV.
●
Make sure your connected devices are powered on.
●
Be sure to select the TV's correct source by pressing the
SOURCE button on the remote control.
●
Reboot the connected device by reconnecting the
device's power cable.
English
▶