Computer FAQs & Tips

[ This post is duplicated to updated version at 2008/06/06/restore-grub-after-installing-windows ]

From my experience, when I format my Windows I lost my Grub boot menu at the same time. Before I have this solution, I usually reinstall everything all over again. Now that I want to keep things running for a long term, even my windows need to be formatted I still have my Linux OS bootable without losing anything. Below is the solution.

If you have similar scenario follow the rest of this post, I will show you trick and tools will be the solution for you

Tool

• Linux Live CD

Restore Grub

• Reboot your computer with Linux Live CD
• After Live session user has started
• Go to Applications > Accessories > Terminal
• On command line type
  

  grub

• At the grub prompt, type
  

  find /boot/grub/stage2

• This will return something like

  (hd0,2)

  the number could be different with different PC. user the same number in the next step

• To setup the boot partition boot type

  root (hd0,2)

  this is the hard drive and the partition your Linux is installed

• To configure grub type
  

  setup (hd0)

• Done. You can exit with command
  

  quit