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Hi, I've installed Ubuntu Linux on pc and I changed the timeout on GNU GRUB from 5 seconds to 0. Now, I don't know how to call the menu and ...
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  1. #1
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    How to call Gnu grub menu?


    Hi,

    I've installed Ubuntu Linux on pc and I changed the timeout on GNU GRUB from 5 seconds to 0. Now, I don't know how to call the menu and my pc start always from windows XP.

    Help?

    Thanks,
    Nuno.

  2. #2
    Administrator jayd512's Avatar
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    Hello and Welcome!

    During startup, you should be able to hit Esc or Tab to access the Grub menu.
    Jay

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  3. #3
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    Quote Originally Posted by jayd512 View Post
    Hello and Welcome!

    During startup, you should be able to hit Esc or Tab to access the Grub menu.

    I tried tab and esc and nothing change, after the star I have black screen with a msg " input not supported" and if press enter the windows xp will star.

  4. #4
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    Boot the Ubuntu Live CD and mount the partition on which thee Ubuntu files are. If you don't know, after booting the CD, open a terminal and run the command: sudo fdisk -l(Lowercase Letter L in the command) and post the output here.

    If you can mount the partition, navigate to the /etc/default/grub file in a text editor as root; Example: sudo gedit /etc/default/grub
    That should open the file. Change the GRUB_TIMEOUT line to 5, 10 or whatever you want. Scroll down in the file to this line and remove the hash mark(#) from the left:

    #GRUB_GFXMODE=640x480
    That should take care of the Input Not Supported message. If you need more detailed assistance, post back.
    If you are able to then boot Ubuntu, log in to a terminal and run sudo update-grub.

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