I am new to Ubuntu,i managed to install it on my PC (with windows 10). At the end of installation it asked me to restart but after that my computer directly booted in windows, even i am not able to see the DRIVE where ubuntu is installed in windows
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First you have to boot into Windows and disable hibernation and Fast Boot from within there.
To disable hibernation open command prompt as administrator and execute this command:
powercfg /h off
To disable Fast Boot open Control Panel go to Energy Settings, enable show hidden settings and uncheck Fast Boot. After these steps shutdown the machine (do NOT reboot) completely.
Then try to change the boot order in BIOS (UEFI) settings.
Select Ubuntu to be the default operating system to boot.
In case your computer has a legacy BIOS instead of an UEFI based,
(Fast Boot might not be an option)
reinstall the GRUB boot loader.
Boot from ubuntu install media, open a terminal and execute:
sudo mount /dev/sd** /mnt
sudo grub-install --boot-directory=/mnt/boot /dev/sd*
Note : sd* = disk | sd** = system partition
If you do not know the partition numbers you can easily identify them with GParted.
This (Graphic User Interface) tool is already included in the Ubuntu installation media.
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