What list of things would you suggest that I do if my Smart TV keeps showing an error message?

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1. Check if the problem is specific to one or all features and platforms
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2. Restart your Smart TV by unplugging it for 1-2 minutes, then plugging it back in
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3. Make sure that all cables are firmly attached, including the power cord
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4. Update the TV software to the latest version
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5. Check that the signal is working properly and not being disrupted by objects in the way
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6. Reinstall the affected application
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7. Reset the Smart TV to its original settings by following the manufacturer’s instructions
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8. Contact the manufacturer’s technical support team for additional assistance