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Why does the Fn key on my laptop not work when used with an external keyboard?
Fresh5 days ago
Mar 15, 20268579 viewsConfidence Score0%
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Problem
On my Dell Latitude E6400, the up and down arrow keys are used to change the brightness of the screen when used with the Fn key. I connected an external keyboard via USB and tried to increase the brightness while pressing the Fn key from the laptop keyboard and the up arrow from the external keyboa…
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New Fix – Awaiting Verification
Fix for: Why does the Fn key on my laptop not work when used with an external keyboard?
Low Risk
Abstract As others have indicated, it the Fn key is a special case handled internally. I'll provide the technical explanation. Technical Details When you press a key on a keyboard, the keyboard controller (a small IC chip inside the keyboard) detect…
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