I've installed Windows 8.1 after Ubuntu 15. Now there is only one bootable OS and that is Windows 8.1. How can I recover Ubuntu 15 boot loader?
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possible duplicate of Dual boot windows 8 and Ubuntu with Windows 8 Boot manager– luckyrumoJun 23, 2015 at 17:03
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Are both installed in UEFI boot mode or both installed in BIOS boot mode? And which boot mode is it?– oldfredJun 23, 2015 at 17:35
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I think this thread might askubuntu.com/questions/88384/… get you with some idea.– BDRSuiteJun 23, 2015 at 17:38
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2 Answers
You can use boot-repair.
- Create an Ubuntu LiveCD or LiveUSB
- Boot into it.
- Install the program
boot-repaironto the CD or USB. - Launch Boot Repair and choose the default repair. It should work fine.
(There is also a more complex method available which involves chrooting into your system, but I personally prefer this one.)
This should work. Just ask if you need any more help :)
To recover Grub (I'm supposing this is the original bootloader)
Boot through Fedora DVD or Red Hat DVD of Mandriva , not Ubuntu
Select Troubleshooting and then select Rescue installed system option
To the question "Do you want to start the networking" say no.
Once you get to the shell enter the following three commands:
$chroot /mnt/sysimage$cd /boot$grub-install /dev/sda
And you have your bootloader back ;-)
Taken from http://www.wikihow.com/Restore-Linux-Grub-After-Installing-Windows
answered Jun 23, 2015 at 17:26
