Windows 7 and multimedia connection devices problem

I have a question to anyone who can help. I have 2 wireless devices that stream my PC content to my LCD. Previously I was running Vista Enterprise and the devices could easily connect with WEP and I could stream content. Now with Windows 7 Ultimate, neither device can connect.

I have a Samsung 3600 Blu Ray with wireless connectivity that cannot connect and also a Verbatim Media Station Pro displaying the message "There is no shared directory on this PC. Check the status of the PC and try to connect again".
So far I have altered from Home to Work, from Homegroup to not Homegroup and nothing. Media streaming options have been switched on and off and I have also tried Network discovery is on. I have tried everything to my knowledge. Can anyone help who may know what the situation is and a possible solution. Oh and FYI I found a forum saying check the SSDP in services for discovery problems and it was fine.

Thanks in advance.

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