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I have dell latitude e5400. F4 key, there is number 9 in the box, what it is. Also over the keys F4 F5 is three keys, first 9 in box, second A in box and third down in box. In my computer the 9 in box, the light is turned ON. What should i do to get it OFF.

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These are the Lock keys; Num Lock, Caps Lock and Scroll Lock, accessible using the Fn key and these number keys.

Posted on Mar 28, 2011

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