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Last Post by caperjack
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The Fn key changes the state of the keyboard so that the next key that is pressed while the Fn key is held down will generate a different scan code than it would without the Fn key. Look at it as an alternate Ctrl or Alt key.

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How the Fn is related to the F1,f2,.....F12 and Numlk key.

it simply change the key from a F key to what ever symbol is on the lower part of the key

Edited by caperjack: n/a

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Usually press with other buttons as well to change the brightness and volume of laptops. Something like combo.

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Yes. I have got it. But it is an extra feature of Sony Laptop. I do not find this in my Desktop.
Thanks.

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