If you want to try a little more you could install grub- repair
https://askubuntu.com/questions/88384/how-can-i-repair-grub-how-to-get-ubuntu-back-after-installing-windows#88432 Read second answer ignore the first. This tutorial should be helpful too https://www.youtube.com/watch?v=5zlFBl8Q9c0 Don't be afraid of terminal you've got this \o/
