How do I enter advanced BIOS on Lenovo Ideapad 3-15ITL6. I would've posted on the Lenovo forum but their stupid staff respond with "Unfortunately the advanced BIOS menu is meant for developers and repair use. Any discussion regarding advanced options are regarded as modification which is not supported. Our machines are already pre configured from the factory to perform at peak performance. Any current limits set is based on the recommended and tested configurations of our engineering team. Hope this helps. Regards, Jack_Lenovo1" I wanna change fan speed and base clock so if anyone knows how to do it please tell me.