GRUB, error: no such device: <SOLVED>

[Witch]

Problem

Mint 14 install broke my dualboot Windows 7 (/dev/sda2) and Linux (/dev/sdb1) partitions.

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$ inxi -Fc 0
Kernel: 3.5.0-17-generic x86_64 (64 bit) 
Desktop: Gnome Distro: Linux Mint 14 Nadia  # Cinnamon 64-bit

This is what I got after first and second Mint 14 install. Did not know what to type in grub rescue shell so I could only use terminal from Mint LiveCD.

GRUB loading.
Welcome to GRUB!

error: no such device: <ALPHANUMERIC SEQUENCE>.

Entering rescue mode...

grub rescue>

Solution

source: Mint 14 Failed Installation - Cannot boot to Windows/Linux

Hi donoskaro and welcome to Mint,

Go to this page and download and run boot-repair it should restore your grub boot loader.
Good luck
https://help.ubuntu.com/community/Boot-Repair

*** Steps for lazy people ***

Getting Boot-Repair
* 2nd option : install Boot-Repair in Ubuntu

From Mint 14 LiveCD type these commands in terminal.

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$ sudo add-apt-repository ppa:yannubuntu/boot-repair && sudo apt-get update

$ sudo apt-get install -y boot-repair && boot-repair

Boot Repair

Boot successfully repaired.

You can now reboot your computer.
Please do not forget to make your BIOS boot on sdb (250 GB) disk!

I never had to edit BIOS after using this fantastic program. Problem solved!

[catfish12]

Thanks for the imformation this saved me big time
i messed up my grub all fixed now option 2
Steps for lazy people ***
live cd worked great