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Old 09-01-2012, 01:02 PM   #1
Registered: Apr 2009
Posts: 37

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How to update saved default boot entry in grub2?

Had an electrical outage, which somehow changed my uuid of my Windows 7 HDD. Trying to update grub2 now. Successfully updated the uuid in grub.cfg, but when trying to update it still has the old uuid in the saved_entry=osprober-chain entry when running 'grub2-editenv-list' command. Any idea where to change this other than /boot/grub2/grub.cfg?
Old 09-02-2012, 12:42 AM   #2
Registered: Jul 2008
Location: Russia, Saratov
Distribution: debian, knoppix, mandriva, asplinux, altlinux
Posts: 110

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As I understood you have grub2,rather than grub. I don't know exactly about grub2, but grub has a file named '' in its directory. It maps the device in grub syntax (e.g. (hd1,2)) to device on your root partition (e.g. /dev/sdb2, or /dev/by-uuid/...). Try that out.


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