Samsung QN55Q75CNF Service Manual page 57

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4. Troubleshooting
For Netflix Operation/Connection Issues:
Check
Certificate & Netflix ESN Status in Factory Mode.
9
If Certificate and ESN exists, "
If Certificate is missing, "
If ESN number is missing:
-
Reset TV Clock and check for correct Time & Date. Netflix relies on correct settings.
-
Reset Smart Hub. / Reset Apps In Factory Mode.
For Streaming Issues:
Go to TV Web Browser / Go to speedof.me / testmy.net
Check Speed
for at least 5 Mbps(HD streaming) / 25 Mbps (4K Streaming).
9
Check Latency
for less than 50ms.
9
4-16
CO", "NfO", change the DNS to 8.8.8.8
C/" replace the TV's Main Board.
NF/ do not replace the Main Board.

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