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Old GRUB2 menu appears after install of F23

asked 2016-02-27 04:55:35 -0600

My system before installing F23:

Laptop: Toshiba Qosimo X500 ~2009 vintage i7 chip, 2 x 500Gb HD - Windows on /dev/sda Linux on /devsdb, 8Gb Ram, Fedora Core 17 X86_64 BIOS Grub2 Menu with options for FC17 & WIndows

/boot partition 2Gb Separate partitions for root (/dev/sdb2), /home, /testos (for additional OS Ubuntu), /opt

Installation of F23 was to replace FC17 on /dev/sdb2. /boot partition was not changed. Everything seemed to go well.

Upon rebooting the old FC17 Grub menu appeared, with no options for F23.

In the /boot directory there are some F23 files:

config-4.2.3-300.fc23.x86_4

System.map-4.2.3-300.fc23.x86_4

vmlinuz-4.2.3-300.fc23.x86_4

vmlinuz-0-rescue-2b91345b969e47ffab0cac862fc0ad66

/boot/grub2/grubenv is a link to: boot/efi/EFI/fedora/grubenv , but there is no grubenv file there.

At the moment I am using Fedora live, when I was using the Ubuntu I was sure there was a grub2.cfg file which had some entries for F23

So, my question is: what should I do to get a boot menu with options that I can boot my OS's again? I have a backup, so I could start from scratch, but there might be an easier way.

Thanks in advance for any help on this :+)

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answered 2016-02-28 02:47:58 -0600

Hi,

I figured out the problem, it was embarrassingly simple: The old grub menu was on the first HD, In hindsight IIRC it was so windows didn't own the MBR. Once I set the second drive to boot first (in BIOS), the new F23 grub menu appeared.

It was that simple, but arose from having 2 HD's

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Asked: 2016-02-27 04:55:35 -0600

Seen: 62 times

Last updated: Feb 27 '16