Check your laptop settings for either LCD panel or both in duplicate mode. There might be a helpful icon at the bottom of your screen by the clock that will help you in setting up your dual display options too... sounds like the laptop and not the monitor to me though..
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Check your laptop settings for either LCD panel or both in duplicate mode. There might be a helpful icon at the bottom of your screen by the clock that will help you in setting up your dual display options too... sounds like the laptop and not the monitor to me though..