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This is a question relative to the post How to fix "error: unknown filesystem. grub rescue

I've follow the post of virpara step by step on an Asus EeePC 1015PEM (don't know if it's usefull to presice this, in fact yes, it's to say that I can't insert a CD in this computer...) and i'm stuck on step 5 (Load the Linux kernel and initrd image)

I've typed, in this order : 

set prefix=(hd1,msdos1)/usr/lib/grub/i386-pc
insmod linux
normal 
//seen that on an other website

loopback loop (hd2,msdos1)/Setup/ubuntu-12.04.1-desktop-i386.iso 
//the image is on an external hard disk (does it matter ?)

set root=(loop)

and had no return message (no error message), then when I typed : 

linux /casper/vmlinuz boot=casper iso-scan/filename=/ubuntu-12.04.1-desktop-i386.iso noprompt noeject

here, I have the famous message:

error: unknown filesystem

I don't really know were is my mistake but I suppose it makes impossible for me to reach further steps and achieve grub recuperation.

I'll be grateful if someone could explain were seem to be my problem.

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Teurkidosh
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1 Answers1

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I aswer my own question because I think I found an answer by myself...

I've finally bought an external CD/DVD player and boot from this device (with a live CD of Ubuntu inside) and then I could reinstall the whole system.

Note that I initially wanted to erase the old partition, so reinstalling was not a problem for me. Of course, my sollution is not a free one (I've choosen a model ~ 40€...), but it works.

Teurkidosh
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