Samsung UN55MU7000FXZA, Manual

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
Check Network Status

Wired & Wireless MAC Address in Customer Support Menu.

No Wired MAC Address : Replace Main Board

No Wireless MAC Address :

Module cabling & voltages from Main Board.

If operating voltages are OK but signal missing
Replace WiFi Module (WiFi/Bluetooth Module)

Proper security passcode

Check Wi-Fi signal strength at TV (use WiFi Analyzer or similar App)

Try another source (Hot spot or Test Router)

Check related Bulletins

Check Factory Mode / SVC / Info/ WiFi Error Count
(replace module for high error counts)
TV Router Internet
Router to Network “Failure”

Check Network Status

Instruct the customer the TV has proper connection to
the router and is likely OK.

Check other devices using network are OK. If they test
OK this does not mean the TV should be working.

Try another source (Hotspot) to test/show TV Network
operation.
Network Troubleshooting
TV to Router “Failure”
Troubleshooting