Samsung UN40EH6030 E-Manual page 61

You need a router and/or modem to connect your PC to the Internet, For
information about connecting your PC to your network, see the instructions
for the router or modem.
The following A_Share IR_ayfunctions that are not supported when you are
playing media from a PC connected through a network:
® The Background Music On and Background Music Setting functions,
® The _ (REW) or _ (FF) button while a movie is playing,
The DivX DRM, Multi-audio, embedded caption is not supported,
Set your PC firewali program so that AilShare PC Software is a permitted
program,