In order to get into the BIOS Setup Utility screen of Lenovo Ideapad series of laptops, you need to locate for a button called the Novo Button on the laptop.
In the case of Lenovo Yoga 2 Pro ultrabook, this Novo button is a small round button located beside the Power button.
While is laptop is powered off, press and hold this Novo button for a few seconds, and you should be able to see the Novo Button Menu with 4 options:
- Normal Startup
- BIOS Setup
- Boot Menu
- System Recovery
In this BIOS Setup Utility, you can view some of the hardware information of the laptop, including its serial number. Most importantly, you can setup the BIOS passwords (administrator and user) and also the harddisk password here as a basic security measure to protect the data in your laptop.