42
ENGLISH
ETC.
Pictures
SMART
→
SETTINGS
→
SUPPORT
→
Picture Test
First run a Picture Test to verify that the image signal output is normal.
If there is no problem with the test image, check external device connections.
Problem
Solution
Vibrating horizontal / vertical lines and fishnet
patterns appear momentarily.
y
Such a problem may happen when there
is strong electronic interference. Turn off
other electronic devices such as mobile
phones, power tools and other small electrical
appliances.
The display is inactive or unclear when connected
to an HDMI source.
y
Check the HDMI cable specifications. If your
HDMI cable is not genuine, images may fade
in and out or not be displayed properly.
y
Ensure that all cables are securely connected.
When connections are not secure, images
may not be properly displayed.
Does not work with a USB storage device.
y
Verify that the USB device and cable is
version 2.0 or higher.
Sound
SMART
→
SETTINGS
→
SUPPORT
→
Sound Test
First run a Sound Test to verify that the sound signal output is normal.
If there is no problem with the test sound, check connected external devices.
Problem
Solution
Screen display is on but there is no sound.
y
Ensure the
Speaker
is set to
On
.
The volume changes when I change signal.
y
Volume can vary from signal to signal.
y
Set
Auto Volume
to
On
.
There is no sound when connected to HDMI /
USB.
y
Verify that the HDMI cable is high speed.
y
Check if the USB device and cable is version
2.0 or higher.
y
Use only regular music (*.mp3) files.
PC connection problem
Problem
Solution
The screen display does not come on after
connecting to the computer.
y
Verify that the computer and the monitor are
securely connected.
y
Turn the monitor off and back on using the
remote control.
y
Restart the PC with the monitor on.
y
Check whether the resolution is correctly set
for PC input.
y
To use the monitor as a secondary monitor,
check if the connected desktop or laptop
supports dual monitor display.
y
Reconnect the HDMI cable.
