Samsung UN50ES6100 E-Manual page 635

You see small particles when you look
closely at the edge of the frame of the TV.
This is part of the product's design and
is not a defect.
The PIP menu is not available.
PIP functionality is only available when
you are using an HDMI or Component
source.
POP (TV's internal banner ad) appears on
the screen.
Select Home Use under Setup mode.