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When I boot my Laptop, with a dual boot Ubuntu 14.04 / Windows 7 PRO, I've noticed that I can select from 4 different Windows 7 options, instead the one and only I had some days ago.

Some of those aren't working at all: how can I "delete" the other 3 options on GRUB?

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Reset to default
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The entries are in /boot/grub/grub.cfg. Altough it is not recommended to edit the file. It ist generated by update-grub.

But I always made small edits in the file itself it never broke anything. Like renameing or deleting entries. Just saying be carefull and create a backup.

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  • so I'll need to delete some records, after a backup, and then reboot? Just that?
    – abierto
    Commented Oct 6, 2015 at 8:11
  • Well, yes. If done right. Just make sure twice or more times, that you deleted the right ones. Use the displayed label in grub as reference for your search.
    – ap0
    Commented Oct 6, 2015 at 8:49
  • the fact is that 2 of them are working, and 2 aren't. the label is the same, i think they will only differ on the mounted device...
    – abierto
    Commented Oct 6, 2015 at 8:55

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