The remote control does not work.
•Check if the power indicator on the TV blinks when you press the remote's On button. If it does not, replace the remote control's batteries.
•Make sure that the batteries are installed with their poles
•Try pointing the remote directly at the TV from 1.5~1.8 m away.
The cable or satellite box remote control doesn’t turn the TV on or off or adjust the volume.
•Programme the cable or satellite box remote control to operate the TV. Refer to the cable or set- top 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 to Home Mode. (
> 
Settings > System > Expert Settings > Usage Mode > Home Mode).
Intermittent Wi-Fi
•Make sure the TV has a network connection (
> 
Settings > Network > Network Status).
•Make sure the Wifi 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
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Wireless router
Wireless repeater
•Contact your ISP and ask them to reset your network circuit to