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What is the meaning of this device status light on Dell Latitude E6400?

Posted on 2013-02-04
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Last Modified: 2016-11-23
I cannot determine what this device status light means or what it is used for.

See image below.

E6400 Device Status Light Symbols
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Question by:LessonsLearned
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Brian Pringle earned 500 total points
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That is used if your computer has a cellular-based data card installed.  It shows the signal strength, just like your cell phone.
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by:IanTh
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cellular data
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by:tycoot
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The button refers to a cell "air" card. You must have an activated cellular plan to use this. Typically, Dell uses Novatel Wireless Cards to accomplish this.
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by:LessonsLearned
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I could not find an online manual to provide that information, so I appreciate your quick response.

Thank you!
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