Why is my TV suddenly claiming that the CI+ module is not inserted

With this CI+ module, you can easily upgrade your TV or satellite receiver to receive HD+ Prerequisite: Your device has a free CI+ slot

From Wikipedia: The Common Interface is the slot on a digital television receiver into which a conditional access module may be

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ci slot lg tv With this CI+ module, you can easily upgrade your TV or satellite receiver to receive HD+ Prerequisite: Your device has a free CI+ slot