Usually if you have a dual boot OS instance: Linux and Windows, and windowsnya accidental error or hangs, and no intention to re-install OS windowsnya, if we want to reinstall Linux Loader GRUB likely it will be lost because when install windows will rewrite / delete the MBR (Master Boot Record) and will delete the existing Linux GRUB Loader, how to restore GRUB Loader Linux is one way to use a Linux Live CD, for example a desktop version of ubuntu, knoppix, etc.. After the linux live cd is running, then open the terminal, as root type the command prompt will appear next grub grub>;to find out what partitions are type geometry (hd0);grub> geometry (hd0);drive 0 × 80: C / H / S = 9729/255/63, The number of sectors = 156 301 488, / dev / sdaPartition num: 0, Filesystem type unknown, partition type 0 × 7Partition num: 4, Filesystem type unknown, partition type 0 × 7Partition num: 5, Filesystem type unknown, partition type 0 × 7Partition num: 6, Filesystem type unknown, partition type 0 × 82Partition num: 7, Filesystem type is ext2fs, partition type 0 × 83In the partition above shows that the partition number 7 using linux, then type root (hd0, 7):grub> root (hd0, 7);to make his Loader GRUB on the MBR, type setup (hd0);grub> setup (hd0);Checking if "/ boot/grub/stage1" exists ... yesChecking if "/ boot/grub/stage2" exists ... yesChecking if "/ boot/grub/e2fs_stage1_5" exists ... yesRunning "embed / boot/grub/e2fs_stage1_5 (hd0)" ... 17 sectors are embedded.succeededRunning "install / boot/grub/stage1 (hd0) (hd0) 1 +17 p (hd0, 7) / boot/grub/stage2/ Boot / grub / menu.lst "... succeededDone.That's one way to restore the lost Linux GRUB Loader because erased when install Window $may be useful. Greetings!Sources: http://www.unhas.ac.id/poss/media.php?module=detailberita&id=52
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