so i was trying to install elementary OS Juno on my laptop Lenovo ideapad Y700-15 isk and i had problems with Grub installation after whole process which made me unable to boot up eOS. I had same problem when i was trying to install Ubuntu. I got two drives, ssd with windows 10 on it and hdd where i made a partition for elementary OS only in ext4 format on which i tried to install eOS.
Thanks for help :)