I installed Kali Linux on 1 partition and after that I installed Ubuntu 16.04 on the other one but when I start my PC , the only boot option is "Kali-grub" or "advanced options for kali ".
When I load Kali and open the Linux partition I can see that the Ubuntu is installed on it.
Please tell me how can I boot it (i checked in Disks and it says that the partition is Bootable ).