Help Guide
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[112] Troubleshooting | Picture (quality)/screen
The screen suddenly changes to a video you do
not recognize while watching TV.
In this case, the TV might be in demo mode. Try exiting demo mode.
Press the HOME button on the remote control and select [Settings] — [Device Preferences] —
[Retail mode settings]. Disable [Demo mode] and [Picture reset mode].
[113] Troubleshooting | Picture (quality)/screen
A black box appears on the screen.
A text option is selected although no text is available. Check the [Captions] settings in
[Accessibility]. (Option name differs depending on your region/country.) You can select a different
option from the current option.
[114] Troubleshooting | Picture (quality)/screen
There are banners/tickers at the top or bottom of
the screen.
In this case, the TV might be in demo mode. Try exiting demo mode.
Press the HOME button on the remote control and select [Settings] — [Device Preferences] —
[Retail mode settings]. Disable [Demo mode] and [Picture reset mode].
[115] Troubleshooting | Picture (quality)/screen
High resolution HDR pictures are not displayed.
The following are required to watch high resolution HDR pictures such as 4K (50p/60p) .
Connect the 4K (50p/60p) playable device.
Use a Premium High Speed HDMI Cable(s) that supports 18 Gbps.
Set [HDMI signal format] to [Enhanced format] by selecting [Settings] — [Watching TV] — [External
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