[Bug 1099127] Re: Grub2 lists, but can't boot Windows 7 after upgrade from Ubuntu 12.04 to 12.10.

[YannUbuntu]

( for information, original thread:
https://answers.launchpad.net/ubuntu/+source/ubiquity/+question/218719 )

** Changed in: grub2 (Ubuntu)
       Status: Incomplete => Confirmed

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Title:
  Grub2 lists, but can't boot Windows 7 after upgrade from Ubuntu 12.04
  to 12.10.

Status in “grub2” package in Ubuntu:
  Confirmed

Bug description:
  Grub 2 can no longer boot Windows 7 after upgrade from Ubuntu 12.04 to
  12.10. The machine has two physical SATA HDDs, both configured with
  single partition. Disk one (sdb1) runs Ubuntu 12.10 and disk two
  (sdc1) runs Windows7. Disk sda1 is an IDE Zip drive. Both operating
  systems boot independently when boot priority is changed in the system
  BIOS. Windows remaind visible in the Grub2 menu after the Ubuntu
  upgrade, but when this option is selected, the machine either reboots
  and displays the Grub2 menu again or hangs with a black screen and
  does not respond to keyboard entries.

  Tried the following fixes:

  - Booted from Windows recovery disk and run bootrec.exe /fixboot and
  fixmbr

  - Removed Grub2 and reinstalled it using Boot Repair running from a
  bootable CD

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