I have sony-vaio E-series model SVE14A15FAP. it was windows7 pre installed but I upgraded to windows10. used for some time and I want to use it alongside ubuntu 15.04, but after a successful installation of Ubuntu 15.04, the boot option is not showing up.it boot straight to windows giving me no option. Please help me

marked as duplicate by Eric Carvalho, Mitch Oct 20 '15 at 6:55

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  • pls I need help – suleiman Oct 19 '15 at 8:48

You could boot with a Ubuntu Live CD, open a Terminal and execute:

sudo grub-install HARDDRIVE
sudo update-grub

where HARDDRIVE could be /dev/sda.

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