Boot a Lenovo Ideapad 100 from USB - The Silicon Underground
How to Boot your Lenovo Ideapad 100s 11IBY from a USB UEFI Flashdrive – Everything is a Miracle
Anyone ever seem BIOS like this? Anyway to enable or find the missing "Security" and "Boot" tabs? Was planning to install Linux on it but USB boot is not working/enabled. - 9GAG