Samsung UN43LS03N User Manual page 21

The cable box or satellite box remote control doesn't turn the TV on or off or adjust the volume.
• Program the cable box or satellite box remote control to operate the TV. Refer to the cable box or satellite box user
manual for the SAMSUNG TV code.
The TV settings are lost after 5 minutes.
• The TV is in the Retail Mode. Change the Usage Mode in the System Manager Menu to Home Mode (
Settings > General > System Manager > Usage Mode > Home Mode).
Intermittent Wi-Fi
• Make sure the TV has a network connection (
• Make sure the Wi-Fi password is entered correctly.
• Check the distance between the TV and the Modem/Router. The distance should not exceed 50 ft (15.2 m).
• Reduce interference by not using or turning off wireless devices. Also, verify that there are no obstacles between
the TV and the Modem/Router. (The Wi-Fi strength can be decreased by appliances, cordless phones, stone walls/
fireplaces, etc.)
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• Contact your Internet Service Provider (ISP) and ask them to reset your network circuit to re-register the Mac
addresses of your new Modem/Router and the TV.
Video App problems (Youtube etc)
• Change the DNS to 8.8.8.8. Select
Setting > Enter manually > DNS Server > enter 8.8.8.8 > OK.
• Reset by selecting
The TV remains on or does not turn on automatically.
• If the surrounding area is too dark or bright, the motion sensor may not work normally. The performance of the
motion sensor may be affected by the installation environment (height, tilt, obstacles). If the clothes you wear or
your skin color is similar to the surrounding shading, the motion sensor may not work properly.
• The TV responds to all visual changes around it (lights, displays, dogs, out-of-window changes, and other
occurrences). You can adjust the response level by adjusting the motion detection sensitivity.
( > Art > Settings > Motion Detector)
> Settings > General > Network > Network Status > IP Settings > DNS
> Settings > Support > Self Diagnosis > Reset Smart Hub.
> Settings > General > Network > Network Status).
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>
Wireless router
Wireless repeater
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