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Installed Elementary via the live usb to D drive. C Drive is windows ssd. In boot order have changed so the D drive is higher in the boot order than C. When order is reversed, the C drive works as usual. When the D drive is first I get a 'no operating system found' message.

I've checked the checksum of the download and installed the usb as per the guide. Am installing whilst connected to a wired internet connection.

What setting do I need to change to get this to work? Have heard suggestion that it is a grub error, how then to install grub when I cannot access the operating system?

Regards

  • Which device did you select to install grub – Suici Doga May 6 '16 at 1:23
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Try this:

  • Boot into the live usb and open terminal
  • Open terminal and write this:
sudo add-apt-repository ppa:yannubuntu/boot-repair
sudo apt-get update
sudo apt-get install -y boot-repair && boot-repair
  • On the window, click on 'Recommended repair' and follow the instructions

That should work. If not, try to reinstall elementary OS by the default configuration, choosing the 'install alongside windows' option.

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This always works for me:

  1. download & create liveimage of supergrub iso.
  2. boot super grub.
  3. locate bootable OS on the pc. ( if more than one OS on the PC)
  4. boot you preferred OS.
  5. Login & go terminal as root.
  6. usually most people prefer grub on "/dev/sda" but that's no always the case. So select the drive you prefer to install grub on.
  7. run "grub-install /dev/sd?" change the "?" to the letter of the drive you wish to install grub on.
  8. then run "update-grub" that should do it.

you could also run grub-mkconfig -o /boot/grub/grub.cfg

Note:
A. I always suggest installing "grub-customizer", this is a great graphical app to manage your grub. ie. update,add, change the OS boot order , backup & save grub. Even move to a different drive.
B. Supergrub disk or "RESCATUX" are incredible tools to carry around with you.

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