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Possible Duplicate:
How do I set Windows to boot as the default in the boot loader?

I just installed Ubuntu 11. on my computer but the default is Ubuntu. How do I change it so that Windows 7 is the default?

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Dennis Amonsen
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  • Which does not contain a complete (and up-to-date) answer. I've added one below (with link to 'duplicate'). – david6 Apr 21 '12 at 23:32

3 Answers3

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Adapted from: How do I set Windows to boot as the default in the boot loader?

For Ubuntu 11.x (or higher), with Grub2

Find out what you boot options are called:

sudo update-grub

One of the entries should be 'Windows 7'.

Edit /etc/default/grub to set this as boot default:

sudo gedit /etc/default/grub

change:

    GRUB_DEFAULT=0

to: (for example) 

    GRUB_DEFAULT="Windows 7 (loader) (on /dev/sda2)"

Save file, then (again) run:

sudo update-grub
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david6
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Run this in your terminal to open the GRUB configuration file in Gedit Text Edior:

gksudo gedit /boot/grub/grub.cfg

In that file, on line 13, you'll find this:

set default="0"

The number represents the default boot-item in the boot-menu, where the first item is 0. If Windows 7 is number 5 on your boot menu, change "0" to "5". Remember to save the file before you close it.

Apply the changes by running this in the terminal:

sudo update-grub

To always have an easy way to change the default boot-item, change the default in the field to 

set default=saved

Update grub using the command above (sudo grub-update), and then you can easily change the default boot item at any time by using the command

sudo grub-set-default

followed by the number of the menu-item you want to set as default.

Esso
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You can also download StartUp-Manager at Ubuntu Software Center, it comes with a GUI and it's simple to use! = )