[Bug 807801] Re: GRUB2 fails to detect/add Windows entries on a UEFI system

Phillip Susi psusi at ubuntu.com
Wed May 22 23:38:45 UTC 2013


That's good to hear, FYI you can click the overview link on this page to
see what versions are in what release instead of packages.ubuntu.com.
I'm marking this as fixed for saucy, and will ask a release manager to
target a task at 12.04 for an SRU.


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

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Title:
  GRUB2 fails to detect/add Windows entries on a UEFI system

Status in os-prober:
  Confirmed
Status in “grub2” package in Ubuntu:
  Fix Released

Bug description:
  HOW TO REPRODUCE:
  1) install Ubuntu on a computer with UEFI firmware
  2) Reboot the PC, boot into Ubuntu, open a terminal and check that the 'sudo os-prober' command does not return any Windows entry.

  REMARK: if it returns some Windows entry, but those entries are
  invalid, you may be affected by Bug #1024383 instead.

  *********************** WORKAROUND **************************

  either boot Windows from the (EFI) BIOS menu, or add valid Windows
  entries via Boot-Repair.


  ***** Original description:
  running a fresh uefi (software uefi) system and the grub-update fails to detect windows boot entry/efi files and add them automatically
  microsoft folder is present in both the efi system partition as well as the /boot folder/partition

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