Sharp LC-55LE643U Mode D'emploi page 45

Troubleshooting
Make sure you enter the
correct password, if your
network is security-enabled
(password is case sensitive).
If you have turned o
SSID broadcasting on your
wireless router, you can add
your network by selecting
"My network is not shown"
from the "Wireless" screen.
If you cannot hear sound:
Make sure the connectors on
the cables between your TV
and home theater receiver
are pushed in all the way.
(cont.)