Samsung UE27D5000NW E-Manual page 275

Issues
You have intermittent loss of
audio or video.
You see small particles when
you look closely at the edge of
the frame of the TV.
The PIP menu is not available.
◀
Solutions and Explanations
•
Check the cable connections and reconnect them.
•
Loss of audio or video can be caused by using overly rigid or thick
cables. Make sure the cables are flexible enough for long term use. If
mounting the TV to the wall, we recommend using cables with 90 degree
connectors.
•
This is part of the product's design and is not a defect.
•
PIP functionality is only available when you are using a HDMI, PC or
components source.
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