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I migrated from a wubi install on a SSD (dev/sda), with the virtual disk on a separate drive (/dev/sdb), to a brand new partition on the separate drive

I recall during me running the wubi-move script, it stated that the bootloader and grub2 were being installed to dev/sdb. I migrated root and the swap to dev/sdb4 and dev/sdb5 respectively.

But when the computer boots, it continues to show the Windows Boot Manager, not the new Grub as I expect, and I am not sure how to resolve my issue. I can see that the migration was successful, so I am thinking there are probably many possible solutions. Can I just reinstall grub2 or something of that nature?

If possible, I would rather have grub boot first, and be able to remove the Wubi install from within windows to the original mounting point which was a 30 gig spot on dev/sdb1.

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may I know why the question was downvoted? –  treehau5 Apr 14 '13 at 20:30

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If you're having an issue e.g. Windows still boots first, not Ubuntu, then it is likely that you are still booting from your SSD drive (/dev/sda), not the drive with the migrated install on it (/dev/sdb).

Since you migrated to a different drive from the one you currently boot on, it is normal that Windows continues to boot. The Wubi migration script is intentionally limited as to where it can install Grub - for safety purposes (and to keep things simple). If you need to change the drive boot order or boot from a different disk, this has to be done separately.

For example, if you don't want the drive boot order, and instead you want Grub in /dev/sda you can boot the migrated install (it's always available on the bottom of the Wubi Grub menu after migrating) and then install Grub to /dev/sda:

sudo grub-install /dev/sda
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