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Dell Laptops are really very confusing with the fn key. My inspiron required me to press fn key and f4 so it works as if you just pressed f4. If I simply press f4, the screen brightness reduces. Very inconvenient!

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Is it similar to how the function keys in Macbooks work? If so, I would consider it a feature. I have to tweak screen brightness more often than I need to press F4.

edit: I forgot that in Windows, F4 is a very important key (Alt+F4).

There is actually a BIOS setting that changes that, or if your computer has quickset (it's called something like the Dell Management Utility) then you can change the main action of the fn keys from there

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