Not always useful if e.g. you're locked out of the BIOS, the setting constantly auto-resets for no apparent reason, the keyboard is partially broken. The sad t

Not always useful if e.g. you're locked out of the BIOS, the setting constantly auto-resets for no apparent reason, the keyboard is partially broken. The sad thing is that I've personally experienced all three of these problems. #%^$ whoever decided that the Function keys should be brightness etc by default.