Article

Sometimes GRUB may be lost due to a fresh Windows install or some other reason. Below is a quick step guide to restore GRUB.

Step 1: Boot your system with a Linux live CD

Step 2: Open a terminal and run the following command to get in to the GRUB command mode:

sudo grub

Step 3: Now to find the partition that has the GRUB boot loader run:

find /boot/grub/stage1

Step 4: From step 3 we will know the partition that has grub boot loader.

root(hd#,#)

replace # with the partition returned by step 3.

Step 5: Run the following command to install grub on the MBR(Master Boot Record) of the first drive.

setup (hd0)

Or

If you want to install it into the boot sector of a partition instead of MBR run the following command:

setup (hd0,#)

replace # with partition

Step 6: To quit the grub command line mode run:

quit

Now reboot the system to find GRUB restored.