Thank you very much Titan8990
Originally Posted by Titan8990
It was very easy to repair GRUB, as i made backup copy of GRUB folder to my disk before uninstalling it, so i just did:
1. Booted OS from Ubuntu Live CD.
2. Run these commands in Terminal:
3.Rebooted to the main system.
sudo cp -r /media/disk-1/grub /media/disk/boot/
P.S. Actually latest versions of Ubuntu Live CD's detects media disks (NTFS, FAT, etc.) without mounting them, so i did no one of your commands