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I am currently trying to rebuild my GRUB after reinstalling Windows 7 and this guide says I need to perform an extra step if I have separate boot partition.

I tried to look it up but from what I could see I can only find info on how to see the boot partition in a proper install and not while running the Live CD.

My sda1 partition has the boot asterisk when I run fdisk -l says it has id 7 and is a HPFS/NTFS/exFAT and shows 100Mib (23 Mib) used in GParted.

Is this the boot partition I am meant to mount? Or, is this only for Windows 7? Is there some kind of Ubuntu boot partition I do not have?

sda2 is my Windows 7 partition
sda3 is the extended partition that contains:

  • sda5 (main Linux partition)
  • sda6 (Linux swap partition)

I do not know if I ever had an sda4 partition.

I tried to rebuild the GRUB using the same guide before without mounting a separate boot partition so I am not sure as I did not think I had one and it booted to Windows 7 as always. I am not sure if that is relevant in anyway.

Kevin Bowen
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  • You don't have a separate /boot partition. –  Oct 02 '16 at 03:40
  • Windows installs or major upgrades has been known to delete a logical Linux partition in the extended partition. Do you show space in extended partition. Issue has been wtih all versions of Windows since XP: http://askubuntu.com/questions/654386/windows-10-upgrade-lead-into-grub-rescue/655080#655080 If you want more info post your partitions in first post: sudo parted -l Or post link to summary report: https://help.ubuntu.com/community/Boot-Info – oldfred Oct 02 '16 at 04:25

1 Answers1

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You can check your fstab to see if you ever had a boot partition. Boot with a live CD and mount your main partition (sda5).

sudo mount /dev/sda5 /mnt

Then show the contents of the fstab file

cat /mnt/etc/fstab

If you ever had a boot partition on e.g. sda4 you would see a line like this:

/dev/sda2    /boot     ext3     defaults    0  0
torusJKL
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  • OP wrote the he has the partition "sda5 (main linux partition)". Hopefully Windows has not deleted the data and it will mount. – torusJKL Oct 02 '16 at 10:05