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Latitude laptop keys not functioning - Dell Latitude C640 Notebook

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  • jack of many May 11, 2010

    The keys board is not working or just a few keys?

  • sam gucci Jun 18, 2013

    all the keys

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  • 128 Answers

SOURCE: Function Keys on Dell Latitude E4300

Click here to see the list of combination of buttons for the Dell Latitude keys and its functions.

Should you have any other questions just please leave a comment.

Cheers~

Posted on Jun 26, 2010

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1 Answer

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There might be a function key that works with the intensity key...you might try finding those two keys and hold down one while tapping the other

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Hope this helps.

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1 Answer

Function Keys on Dell Latitude E4300


Click here to see the list of combination of buttons for the Dell Latitude keys and its functions.

Should you have any other questions just please leave a comment.

Cheers~

Jun 22, 2010 | Dell Latitude E4300 Notebook

1 Answer

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I would suspect either the video card or your LCD screen.. A good test is to hook up an external monitor and see if that works. Be aware that when you start it up, you will have to hit the function key and special function key combo to switch it to the external display.
On the latitude, that is the Fn key plus the F8 key.

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hold function key and press wifi key on ur lappy keypad

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the key circlled in yellow is the function key.

e0a8187.jpg I guess this is teh one you are lookin for.

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