Modifying the Power Management or modifying the settings will prevent a premature display shut down.
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Press Menu/Settings.
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Press the Red button to bring up Product info Menu.
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Arrow down to Product/Service.
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Press Enter/OK to view SN info.
Find help information for your LG product
Modifying the Power Management or modifying the settings will prevent a premature display shut down.
Press Menu/Settings.
Press the Red button to bring up Product info Menu.
Arrow down to Product/Service.
Press Enter/OK to view SN info.
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