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The F12 key on a computer keyboard can have many purposes. Most ways are program specific and does different things per program.

The main purpose is a lot of computer's BIOS or CMOS use the F12 key to select boot options or enter the BIOS menus.

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11y ago
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Wiki User

13y ago

It brings up web developing tools. It is for IT technicions and is of no use to you. F11 will give you full screen viewing. ( Try it )

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Q: What purpose does the F12 key serve on computer keyboard?
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