No Grub after installing aside Windows 10

Question

I have some partitions for Windows 10 and tried installing Ubuntu on its own partition, but Grub wasn't installed and now I can't boot into Ubuntu even getting in the BIOS because I can't see Ubuntu boot there. The partition with Ubuntu is here, I can see it from Windows 10 but can't see it for boot in BIOS.

Already tried:

• Installing a different OS (Debian 9, had the same problem)
• Reinstalling
• No GRUB after installing Ubuntu beside windows 10
• No grub after installing Ubuntu 16.04 alongside Windows 10

EDIT: I was able to boot inside Ubuntu with SuperGrubDisk but now how can I fix the problem from inside Ubuntu 17.10?

Answer 1

As mentioned by oldfred, the problem was that Windows 10 was UEFI and I installed Ubuntu as BIOS. Solved reinstalling it in UEFI mode.