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My fn+F4 key is the internet browser, and it is set to be internet explore. I want to make it to be chrome, is that possible to do it?

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Don't know if there's a laptop specific solution, but check out AutoHotkey, a great software to make any key do whatever you want.

Also, make sure Chrome is your default browser, in case the key launches your default browser, not specifically IE.

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AutoHotKey will probably not work. Google for “autohotkey fn” and you will find plenty of information about how the Fn key is different from other keys (similar to the F-Lock key on Logitech keyboards). It does not signal a key the way that other modifiers like Ctrl, Alt, Shift, etc. do, but rather, it modifies the other key’s scancode at the hardware level (ie, the keyboard controller). In this case, the Fn+F4 combo sends the scancode of the Web Browser key. – Synetech Feb 3 '12 at 6:11
@Synetech The Fn key can be remapped on some keyboards. – iglvzx Feb 3 '12 at 7:21
@iglvzx, yes, some. That’s why I said it would probably not work. Even with those that can be, usually default to a low-level mod. – Synetech Feb 4 '12 at 18:22

Just set Chrome as your default browser. Go to Wrench menu->Options->Basics tab->Default browser: Make Chrome my default browser. Now whenever a web browser needs to be opened (including via the Fn+F4 hotkey), Chrome will automatically be run instead of IE.

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