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1. Booting ke Live CD Linux atau Pendrive Linux

2. Buat direktori untuk mounting nya, misalnya :

$ sudo mkdir /media/root

3. Mounting direktori root, proc dan dev

nomor device nya sesuaikan ya, kebetulan punya saya root direktori nya di sda4.

$ sudo mount /dev/sda4 /media/root
$ sudo mount -t proc none /media/root/proc

$ sudo mount -o bind /dev /media/root/dev

4. chroot mounting tadi

$ sudo chroot /media/root /bin/bash

5. lalu ketikkan grub

#grub

grub> find /boot/grub/stage1

(hd0,3)

grub> root (hd0,3)

grub> setup  (hd0)

Checking if “/boot/grub/stage1″ exists… yes
Checking if “/boot/grub/stage2″ exists… yes

Checking if “/boot/grub/e2fs_stage1_5″ exists… yes

Running “embed /boot/grub/e2fs_stage1_5 (hd0)”…  16 sectors are embedded.

succeeded

Running “install /boot/grub/stage1 (hd0) (hd0)1+16 p (hd0,3)/boot/grub/stage2

/boot/grub/menu.lst”… succeeded

Done.

grub>quit

6. Restart