Troubleshooting Wi-Fi
Network
Problems
Checkpoints
• Make sure
that
you have
the
latest
version
of
the
software.
-
If
you are using a Wi-Fi router, check
whether
you have
the
latest
firmware installed.
-
If
there are any available updates, update
the
firmware according
to
the
manufacturer's instructions.
-
Q/~
(Home)
fl
Q (Settings)
fl8
(Advanced)
fl
to
General
fl
About This
TV
fl
Software Version
Check
the
current
software
version and
if
there
is
an
available update, install it.
• Check
if
the
same symptom occurs
with
two
or
more Wi-Fi devices.
- Wi-Fi problems may
be
related
to
network
condition and a device
that
is
connected
to
the
network.
-
If
other
Wi-Fi devices
can
connect
to
the
Internet
at
the
same location
as
the
TV,
then your Wi-Fi router
is
probably normal.
• Check
the
power and Ethernet cables
of
the
Wi-Fi router.
- When
the
Ethernet cable connected
to
the
Wi-Fi
router
is
loose
or
disconnected,
network
problems
can
occur.
- Check all power and Ethernet cables
of
the
Wi-Fi router
to
see
if
they
are correctly connected.
• Check
the
Wi-Fi
router
to
see
if
the
router
is
set
to
the
recommended wireless settings.
If
network
problems
continue, reset your
network
devices.
• Check
the
signal strength
of
the
Wi-Fi
router
to
connect
to
from
the
TV
Ul.
- The
'9'
that
is
next
to
the
Wi-Fi
router
name (SSID)
in
the
menu indicates
the
sensitivity
of
the
receiver.
-
It
is
recommended
that
you connect
to
a Wi-Fi
network
with
3
or
more bars
of
signal strength.
-
If
the
bars
of
signal strength are less than
3,
the
network
connection status may
be
weak
or
unstable,
so
shorten
the
distance between
the
Wi-Fi
router
and
the
TV.
•
If
the
signal strength
of
the
Wi-Fi
router
is
weak, wireless speed slowdowns and
network
disconnection may
occur.
•
To
supplement wireless coverage
of
network
equipment, your Wi-Fi
router
should
be
placed
in
the
middle
of
the
network
equipment.
D
Wi-Fi Router
/
~~"-'
-
~-
..
• Interference Factors
If
there
is
any interference from surrounding equipment,
the
network
connection may
be
weak
or
unstable.
- Wireless telephones
that
operate
in
the
2.4 GHz
or
5 GHz bandwidth
- Wireless speakers
that
operate
in
the
2.4 GHz
or
5 GHz bandwidth
- Video
transmitters
that
operate
in
the
2.4 GHz
or
5 GHz bandwidth
-
Other
wireless devices (Microwaves, cameras, baby monitors, neighboring wireless devices, etc.)
that
operate
in
the
2.4 GHz
or
5 GHz bandwidth.
•
How
to
reduce
the
effects
of
interference between Wi-Fi and Bluetooth devices
- Set
the
channels on your wireless
network
equipment
to
avoid
the
2.4 GHz
or
5 GHz bandwidth which has
lots
of
interference.
-
If
possible, use
the
5 GHz wireless network.
-
If
the
Wi-Fi
router
is
located
too
far
away
or
in
environments
with
high interference,
the
network
connection
may
be
weak
or
unstable.
-
In
this
case,
move
the
Wi-Fi
router
closer
to
the
TV
or
check
if
there are any obstructions
(e.g.,
concrete walls,
cabinets) between
the
two
devices.
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