Public bug reported: Computer with preinstalled Windows8. SecureBoot enable by default.
1) User installed Ubuntu13.04 64bit. After install and reboot, GRUB appears, allows to boot Ubuntu correctly, but the Windows entry fails. 2) Used Boot-Repair's Recommended Repair, which added some Windows entries in /etc/grub.d/25_custom http://paste.ubuntu.com/5686992 No entry allow to boot Windows 3) Disabled SecureBoot in the UEFI firmware, then ran Boot-Repair's Recommended Repair, which purged grub (and shim and linux-signed) then installed grub-efi. http://paste.ubuntu.com/5689721 User can now boot Windows from GRUB. ** Affects: shim (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1183074 Title: GRUB fails to boot Windows when SecureBoot enabled To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/shim/+bug/1183074/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs