The TV settings are lost after 5 minutes.• The TV is in the Retail Mode. Change the Usage Mode in the System Menu to Home Mode (L[i) >®Settings> System>Expert Settings> Usage Mode> Home Mode).Intermittent Wi-Fi• Make sure the TV has a network connection (L[i) >®Settings> Network> Network Status).• Make sure the Wi-Fi password is entered correctly.• Check the distance between the TV and the Modem/Router. The distance should not exceed 50ft (15.2 m).• Reduce interference by not using or turning off wireless devices. Also, verify that there are no obstacles between theTV and the Modem/Router.(The Wi-Fi strength can be decreased by appliances, cordless phones, stone walls/fireplaces, etc.)Single story Multi story0 Wireless router8 Wireless repeater• Contact your 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 L[i) >@3 Settings> Network> Network Status> IP Settings> DNS Setting> Entermanually> DNS Server> enter 8.8.8.8 >OK.• Reset by selecting L[i) >@3 Settings> Support> Self Diagnosis> Reset Smart Hub.What is Remote Support?Samsung Remote Support service offers you one-on-one support with a Samsung Technician who can remotely:• Diagnose your TV• Adjust the TV settings for you• Perform a factory reset on your TV• Install recommended firmware updatesHow does Remote Support work?You can easily have a Samsung Tech service your TV remotely:1. Call the Samsung Contact Center and ask for remote support.2. Open the menu on your TV and go to the Support section.3. Select Remote Management, then read and agree to the service agreements. When the PIN screen appears,provide the PIN number to the agent.4. The agent will then access your TV.