3.Find on your BIOS Settings about Boot Mode, change from UEFI (Unified Extensible Firmware Inferface) boot to CSM (Compability Support Mode)/Legacy BIOS mode boot. Remember that UEFI uses GPT partition type and CSM uses MBR. (Reference on GPT and CSM on link below) 4.a From BIOS Boot Order make the USB as the first priority/first boot.
Change boot-order to boot from USB in Lenovo IdeaPad 100s. First of all, Enter into BIOS and open the Exit Menu. Set OS Optimized Defaults as Other OS. Or go to the Boot tab and set the Boot Mode to Legacy Support, then set USB Boot to Enabled. Press F9 (Fn+F9) to Load Default Settings, then press F10 (Fn+F10) to save the BIOS.
Restart the computer, when the manufacturer's logo is displayed, keep pressing the Boot menu option key to enter the boot menu and change the boot option to CD\DVD ROM. 4. After you boot your computer using Windows 10 DVD, a black screen appears with gray text "Press any key to boot from CD or DVD". Press any key. 5. Solución. El paso inicial es desactivar el arranque seguro . El arranque seguro hace que la computadora solo arranque el firmware en el que confía el fabricante. Una vez que el arranque seguro esté desactivado , vaya al menú de arranque y seleccione el dispositivo de arranque en el menú. Antes de deshabilitar el arranque seguro, tenga en Lenovo ideapad 110-14IBR/Lenovo ideapad 110-15IBR Lenovo ideapad 110-15ACL a AC power adapter jack Connects to the AC power adapter. b Novo button When the computer is off, press this button to start the Lenovo OneKey Recovery System or the BIOS setup utility, or to enter the boot menu. Notes: How to Set Boot menu Lenovo Ideapad 310 Laptop step by step-----Follow us on Facebook: http://bit.ly/2plBXCgFollow us on Twitter: https . 199 36 261 288 258 336 88 141 382

lenovo ideapad 100 boot menu key