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up vote 9 down vote favorite
2

Recently I decided to use only Ubuntu and there is no Windows in my laptop. When I turn on my laptop the GRUB menu is showing but I don't need to choose OS anymore.

How can I remove or hide this?
And after removing this how could I access to recovery mode?

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Do you mean recovery mode on Windows or on Ubuntu? – Mussnoon Dec 24 '10 at 23:24
recovery on ubuntu, there is no Windows in my laptop anymore – Behzadsh Dec 25 '10 at 9:54

2 Answers

up vote 9 down vote accepted

To not see the GRUB menu while booting:

  1. Open the /etc/default/grub file using from terminal entering: gksu gedit /etc/default/grub
  2. Change GRUB_TIMEOUT=10 to GRUB_TIMEOUT=0
  3. Save the file and quit the text editor.
  4. Run: sudo update-grub
  5. Reboot.

This will remove the time that you need to wait for the GRUB menu to disappear.

IMPORTANT: If then you need to change to Recovery mode in some instance just press ESC when Linux starts. That is between when the BIOS finishes loading all necessary stuff and the Operating System starts. Then the GRUB menu will appear giving you the change to select the recovery mode.

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So, we actually remove the time, not the grub!? – Behzadsh Dec 25 '10 at 17:46
3  
IF you remove grub, TRUST ME, you will not be able to boot nothing. I am giving you a workable solution to your question "how can I remove or hide this" because if i tell you to delete the grub folder or anything to eliminate it, i rather give myself negative points in askubuntu. – Luis Alvarado♦ Dec 25 '10 at 18:30
thanks, I understand what you mean :) – Behzadsh Dec 26 '10 at 7:07
up vote 3 down vote

I believe a better solution is to use the value:

GRUB_HIDDEN=1

then set the time out to something longer than 0 this way you can access grub since its hidden in the background, and you have a chance of actually stopping the boot sequence and selecting another kernel / recovery mode.

a feature that can come in handy when you have a broken system. You can read more about it here

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