Samsung UN55MU6500F e-Manual

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IP auto setting failed
1. 
Configure the settings in 
IP Settings
.
2. 
Make sure that the DHCP server is enabled on the router, and then reset the router.
Unable to connect to the network
1. 
Check all 
IP Settings
.
2. 
After checking the DHCP server status (must be active) on the router, remove the LAN cable, and then connect 
it again.
Connected to a local network, but not to the Internet
1. 
Make sure that the Internet LAN cable is connected to the router's external LAN port.
2. 
Check the DNS values in 
IP Settings
.
Network setup is complete, but unable to connect to the Internet
If the problem persists, contact your Internet Service Provider.
Troubleshooting wireless Internet connectivity issues
After reading the following content, troubleshoot the wireless Internet connection issue. If the problem persists, 
contact your Internet Service Provider.
Wireless network connection failed
If a selected wireless router is not found, go to 
Open Network Settings
, and then select the correct router.
Unable to connect to a wireless router
1. 
Check if the router is turned on. If it is, turn it off and then on.
2. 
Enter the correct password if required.