I have Windows in my lap and installed Freya recently. During installation I choosed something else option and installed in it. Both install in different directory. I can see Windows installation directory and other drives. But it's not showing while booting os. It boots directly Freya. I need to select os while booting.
If your computer boots straight to Freya:
sudo update-grub sudo reboot
If not solved,
Open terminal and run following commands:
sudo mount /dev/sda6 /mnt sudo grub-install --boot-directory=/mnt/boot /dev/sda sudo update-grub
Note: In first command
If you are not sure about partitions number use
sudo fdisk -l
No need to run boot repair using live dvd/usb.
At last, if anything not working, use boot-repair from live usb.
See here for instructions: Boot-repair
If you want to change time for selecting OS in grub:
sudo nano /etc/default/grub
GRUB_TIMEOUT value which is 10 by default. Time in seconds. If you keep -1, it will stay indefinitely until you select.
Also make sure, there is a