Recently I installed Parrot Security OS Home 3.11 on a late 2006 iMac5,2 (OS X 10.6.8, 2.5GB RAM, 2.33GHz Intel Core 2 Duo) which already had a bootcamp partition running Windows 7 Professional x86. After installing Parrot OS, Windows no longer boots, giving the error "No bootable device -- insert boot disk and press any key".

I have learned that this is due to EFI/hybrid MBR and followed the instructions listed here: https://askubuntu.com/questions/650194/repair-windows-boot-loader-after-installing-ubuntu-on-macbook-pro exactly to replace the hybrid MBR with protective MBR, but that hasn't helped and Windows still will not boot.

  • Could you please share your partition layout before and after the install of Parrot OS? – Giraffer May 12 '18 at 21:43
  • Maybe converting the disk to GPT would help? – Giraffer May 12 '18 at 21:45
  • Before I had just the OS X partition (ext4, 213GB), the bootcamp partition (NTFS, 106GB), and a small recovery partition. – Paul McPaul May 13 '18 at 1:33
  • After installing Parrot, I have 5 total partitions: /dev/sda1 EFI system partition (fat32, 200MiB), /dev/sda2 OS X (HFS+, 99.31GB) [correction to above, OS X partition was not ext4], /dev/sda3 Parrot (ext4, 97.21GB), /dev/sda5 Linux-swap (linux-swap, 1.98GB), and /dev/sda4 Bootcamp (NTFS, 99.4GB). That is the order in gparted. Also, I installed the 32 bit Parrot OS if that makes any difference. How would I convert to GPT? – Paul McPaul May 13 '18 at 1:38
  • Read the following post: superuser.com/questions/495672/…. – Giraffer May 13 '18 at 3:21

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