Sony KDL-55EX723 Operating Instructions Manual page 21

If you cannot connect to your home
network
The TV detects if the server is being correctly
recognised when you cannot connect it to your
home network. If the diagnostic results indicate a
failure, check possible causes, and network
connections and settings.
1
Press HOME, then select
"Network" > "Home Network Setup".
2
Select "Server Diagnostics".
The server diagnostic starts. When the server
diagnostic is complete, the diagnostic result
list appears.
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