Samsung UN55ES8000G E-Manual page 544

recommend using a USB HDD that
has a power adapter.
N
To play content located on your PC
or on a DLNA compatible cell phone,
you must connect your PC and the
TV to your network and download,
and then install the AllShare network
software on your PC. In addition,
to play content located on a DLNA
compatible device, you must have a
wireless network.