Unknown filesystem after boot

when I tu on my notebook lenovo G580, its write unknown filesystem, its the same problem as this: http://stackoverflow.com/questions/34393502/windows-7-boot-error-unknown-filesystem-after-deleting-ubuntu

BUT, when I write

insmod normal

I get the message, normal.mod file is not found. And I cant find it.

From this solution: https://mintguide.org/system/186-repair-grub-error-unknown-filesystem-grub-rescue-in-linux-mint-pinguyos.html after writing

ls (hd0,msdos6)/

he have a lot of files etc, bin, boot, ... I only have two, /Zoltan /lost+found nothing else

boot from CD, usb not working..

Can someone write me the solution, what can I do? Thanks.

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