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keyboard - Function keys on Dell laptop requires Fn+F1-F12 (default is multimedia/oem key) - Super User
Enable or disable fn (function) or action keys mode (HP ProBook 440 G5, 450 G5, 470 G5, and HP EliteBook 830 G5, 840 G5, 850 G5) | HP® Customer Support
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Resolve unexpected Function (F1 - F12) or other special key behavior on a Microsoft keyboard - Microsoft Support
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