Samsung 4000 Series User Manual page 210

Issues
The picture will not
display in full screen.
◀
The remote control
does not work.
Solutions and Explanations
●
HD channels will have black bars on either side of the
screen when displaying up scaled SD (4:3) contents.
●
Black bars will appear on the top and bottom of the
screen when you watch movies that have aspect ratios
different from your TV.
●
Adjust the picture size option on your external device or
change the TV to full screen.
●
Replace the remote control batteries. Make sure you
insert them with the plus and minus ends in the correct
direction.
●
Clean the transmission window located on the top of the
remote control.
●
Try pointing the remote control directly at the TV from
5~6 feet away.
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