I dual booted Kali with Ubuntu 16.04, unfortunately it ended up deleting the partition.
I installed Kali on, meanwhile, I think the grub loader was installed on Kali. I am unable to use my system at all.
I tried boot-repair, the recommended function, it did not repair the grub.
Boot Info Summary: http://paste.ubuntu.com/p/9mz26p4Mhp/