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Troubleshooting
Picture Issues
117
The screen is ashing or has become dark
117 The picture is not bright, or the picture colors do not look
clear
118 The picture colors look like black and white or do not look
the way they should look
119 The Product automatically turns off by itself
119 The Product image does not look as good as it did in the
store
120
Displayed video looks blurry
120
The picture is distorted
120
There is a dotted line on the edge of the screen
121 The picture won’t display in full screen
121 The Caption function in the Product menu is deactivated
121
Captions appear on the Product screen
121
The HDR of the connected external device turns off
Sound and Noise Issues
122 How can I connect an audio device to the Product?
122 There is no sound or the sound is too low at maximum
volume.
122
The picture is good but there is no sound.
123
HDMI (ARC) is connected, and there is no sound.
123
The speakers are making an odd sound.
123
The sound is interrupted.
123
Whenever a function is used on the Product or the channel
is changed, the Product voices the activity. The Product
explains in voice-over the video scenes displayed on the
screen.
124 The Product audio is not being played through the Sound
bar or A/V receiver.
124 The sound is not heard clearly.
124 The volume of the external device cannot be adjusted.
124 I want to turn off and on the Product and audio device at the
same time.
External Device Connectivity Issues
125
The "Mode Not Supported" message appears.
125 The video is OK but there is no audio.
125
I want to connect to a PC and mobile device via screen
mirroring.
126 No screen appears when connecting the Product to an
external device.
126 I want to connect to a Bluetooth speaker.
126
The PC screen does not appear or it ickers.
127
A special key on the keyboard or mouse is entered
automatically.
127 The displayed image size does not t the screen, the image
colors are blurred, or the text does not appear clear.
127
A computer has been connected, but the Expert Settings
option is grayed out.
Network Issues
128
Wireless network connection failed. Unable to connect to a
wireless access point. Unable to connect to the network.
Anynet+ (HDMI-CEC) Issues
129
What is Anynet+?
129
Anynet+ does not work. The connected device is not
displayed.
130
I want to start Anynet+. I also want the connected devices to
turn on when the Product is turned on.
130 I want to exit Anynet+. It is inconvenient to turn on other
devices because the Product also turns on. It is inconvenient
because the connected devices (e.g. set-top box) turn off
together.
130 The message "Connecting to Anynet+ device..." or
"Disconnecting from Anynet+ device" appears on the screen.
130 The Anynet+ device won't play.
Remote Control Issues
131
The remote control does not work.
131
External devices cannot be operated with the Product
remote control.
131
When I turn on the product with the remote control, another
device is also turned on.
Apps
132 I launched an app, but it's in a different language. How can I
change the language?
132 The app does not work properly. Its image quality is poor.
132 The Smart Hub Home Screen keeps appearing whenever you
turn on the Product.
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