Samsung UN60ES7150F E-Manual page 495

data file damage or data loss.
ΠConnect a USB HDD to the dedicated
USB (HDD 5V 1A) port.
ΠDo not disconnect a USB device
while it is being read by the TV.
ΠIf you connect a USB device with a
USB extension cable, the TV may not
recognize the USB device or read the
files on the device.
ΠIf a USB device you connect to the
TV is not recognized, the files on the