General Question

jazzjeppe's avatar

I need help with boot order on dual OS pc?

Asked by jazzjeppe (2440points) November 7th, 2009

I have a PC running Windows 7 and Ubuntu. When booting I get that normal screen where you can choose which OS to load. By default Ubuntu is highlighted and since I am using Windows more, I would like to make Win7 default.

Apparently I can, or should, be able to change this in boot settings, but it doesn’t work. Also when I simply format the Ubuntu partition I can’t start computer at all, something with GRUB prevents it.

So I guess I have to questions:

1) How can I change boot order and make Win7 default?
2) How can I remove Ubuntu?

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5 Answers

the100thmonkey's avatar

To make windows the default, you’ll need to edit grub.lst.

When you format over Ubuntu, you don’t remove GRUB, which has been copied to the MBR of your boot disk. You’ll need to fix the win7 MBR. You may also need to take the steps outlined here (if they’re significantly different).

Vincentt's avatar

Whether you can edit grub.lst depends on your version of Ubuntu; since version 9.10, a new version of Grub is used (unless you upgraded from a previous version) which uses different configuration methods.

You might also have installed Grub on the same drive as Ubuntu, so when you format your drive you also remove the bootloader. In any case you’ll need to install Windows’ bootloader, which is probably described in @the100thmonkey‘s link.

jazzjeppe's avatar

Thanks guys!

the100thmonkey's avatar

@Vincentt – I hadn’t thought of that. I had a few problems with 9.10 X86_64 so I uninstalled it, and I haven’t bothered upgrading my netbook yet.

willpower's avatar

Being someone who is prone to mistakes when editing important system files, I prefer the dummy method:
1. In Windows 7, click the Start button, then right-click “Computer,” and click “Properties.”
2. In the left-hand pane, click “Advanced system settings.”
3. On the default “Advanced” tab that appears, click the “Settings…” button under “Startup and Recovery.
4. Under “Default operating system,” use the drop-down menu to select Windows 7.
5. Click OK, and you’re done!

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