Ubuntu
grub2 package

Ubuntu 12.04 not booting up

Asked by DEEP

My Ubuntu 12.04 stpped booting suddenly. It shows a page to choose GNU GRUB. When I choose the most recent one it opens a black screen and a cursor keeps on blinking but nothing happens.

I tried Memory test an it passed. I also tried loading previous versions of Grub. Same problem.The only change I made recently is I deleted AMD drivers and instlled Ubuntu default drivers. But then after I have used it for couple of days.

Thanks for your help in advance...

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actionparsnip (andrew-woodhead666) said : 		#1

http://www.omgubuntu.co.uk/2011/09/live-usb-sticking-grub-2-video

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Gopal (hariharan-gopal) said : 		#2

Boot the Desktop/Live CD. (Use Ubuntu 8.04 or later)

2. Open a terminal (Applications -> Accessories -> Terminal)

3. Start grub as root with the following command :

    sudo grub

4. You will get a grub prompt (see below) which we will use to find the root partition and install grub to the MBR (hd0)

             [ Minimal BASH-like line editing is supported. For
             the first word, TAB lists possible command
             completions. Anywhere else TAB lists the possible
             completions of a device/filename. ]

    grub>

    Type the following and press enter:

    find /boot/grub/stage1

    If you get "Error 15: File not found", try the following:

    find /grub/stage1

    Using this information, set the root device (fill in X,Y with whatever the find command returned):

    grub> root (hdX,Y)

    Install Grub:

    grub> setup (hd0)

(In case you want to install GRUB to another drive (like hdX) use the above command as 'setup (hdX)' and then continue)
Exit Grub:

grub> quit

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