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Possible Duplicate:
How can I repair grub? (How to get Ubuntu back after installing Windows?)

I'm new to Ubuntu, I installed it but when I try to start it, tells me that I need to run commands from bash-like and they can be shown by tab, when I press tab shows me the commands but then I type them and nothing happens, I have to reset my computer and the same thing goes on.

This is what it says:

GNU GRUB version 1.99-21ubuntu3

Minimal bash-like line editing is supported. For the first word, TAB lists possible command completions. Anywhere else TAB lists possible device or file completions.

And nothing happens from there, can you tell what I need to do now?

THANKS AGAIN!

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1 Answer 1

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Try re-installing your grub.

  1. Boot using a live cd of ubuntu.
  2. Open a terminal and run the command

    sudo fdisk -l
    

    It lists the complete partition table of the hard disk. In there, identify which partition you have got your linux installed on. You can identify it using the drive size you had allocated for it and looking at the last column of the output which will be ‘extended’ for all of your linux partitions. The partition will most probably be something like /dev/sda5 or something. Remember this partition.

  3. Create a temporary folder in your home directory (Note: You can make the temporary folder anywhere you want. I’m using the home folder just for the sake of explanation). I’m calling it temp for now. So that temp folder’s path will be /home/ubuntu/temp.

  4. Mount your linux partition there. That is, assuming that you found your linux partition to be /dev/sda5, you mount that at the ‘temp’ folder by doing the following command

    sudo mount /dev/sda5 /home/ubuntu/temp
    
  5. If you want to check whether you have mounted the correct partition, go to your home folder and open temp. You will be in the ‘/’ directory. In there you will find ‘home’, in which your home folder’s name will be there. Once you’ve confirmed you have mounted the correct partition, do step 6.

  6. You have to install grub by showing the system where to read the data from the hard disk at the beginning. Don’t worry, just run the following command

    sudo grub-install --root-directory=/home/ubuntu/temp /dev/sda
    

    The /dev/sda corresponds to your hard disk name. Replace it by whatever the command sudo fdisk -l command showed you.

  7. You’re done. You may restart your system.

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