It took me months to find out a solutionFollow the step by step guide here:

> Laptops > 100 Series laptops (ideapad) > 100S-14IBR Laptop (ideapad) Drivers & Software. 100S-14IBR Laptop (ideapad) Options. Bluetooth Driver for Windows 10 (32-bit) - ideapad 100S-11IBY. 28.8 MB. 1.0.183.2. Windows 10 (32-bit) 10 Sep 2015. Optional. Use Lenovo Digital Download Recovery Service (DDRS) to download the files and create a USB recovery key for your device. > Laptops > 100 Series laptops (ideapad
Step 1: Installing Linux on a Lenovo Ideapad 100s begins with booting from a USB drive. This is accomplished by inserting the USB drive into one of the available ports, then accessing the BIOS settings to make sure that the computer will recognize and select the USB as its primary boot device. To access the BIOS, press F2 when powering up your
Hotkey Driver for Windows 10 (32-bit) - ideapad 100S-11IBY. 4.1 MB. 1.0.15.0812. Windows 10 (32-bit) 10 Sep 2015. Необязательно. Qzib. 67 36 78 499 210 380 59 208 40

lenovo ideapad 100s 11iby boot menu