Samsung UN32D4000NDXZA - Manual (Page 192)

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English
Issues Solutions❑and❑Explanations
Software Upgrade
over the network fails.
●
Try Network❑Settings in the Network❑ menu.
●
If you have latest SW version, SW upgrade will not
proceed.
Others
Purple/green rolling
horizontal bars and
buzzing noise from
the TV speakers with
Component cable
connection.
●
Remove the left and right audio connections from the
set-top-box. If the buzzing stops, this indicates that
the set-top-box has a grounding issue. Replace the
Component video cables with an HDMI connection.