TV, please back up your files ensure
against file damage or data loss.
SAMSUNG is not responsible for any
data file damage or data loss.
for LED 4500 series
supported. Connect a USB HDD to
the dedicated USB (HDD 5V 1A) port.
Do not disconnect a USB device
while it is being read by the TV.
If you connect a USB device with a
USB extension cable, the TV may not
: USB HDD is not