After installing Windows 7 as a dual-boot setup, it’s automatically set as the default boot option (shown at startup). The default Operating System starts automatically after the specified timeout period elapses. If you want to unset Windows 7 as the default boot option, use the System Configuration Utility in Windows.

Start Windows (Windows 7, Vista or XP)

Click Start, type MSConfig.exe and press ENTER

Click the Boot.ini tab

Select an Operating System and click Set as default

Click OK

Note that this is not specific to Windows 7, but also applies to Windows 2000/XP/Vista.

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7 Comments

  1. said this on Wednesday, December 30th 2009 3:20 pm

    After installing Windows 7 as a dual-boot setup, it’s automatically set as the default boot option (shown at startup). The default Operating System starts automatically after the specified timeout period elapses. If you want to unset Windows 7 as the default boot option, use the System Configuration Utility in Windows.

  2. stanzy
    said this on Monday, May 4th 2009 5:12 pm

    Guys – use the software I mentioned earlier

    http://neosmart.net/

    I have a tri-boot system

    2HD’s – 3 OSes

    It works fine.

    It also has a very powerful set of tools, one of which have helped me when a partition died

    I’m not linked in anyway to the neosoft people, this is just great free software

    Cheers!

  3. John
    said this on Friday, April 17th 2009 11:46 am

    Agree with Matt. This tip doesn’t work for me.

  4. Matt
    said this on Friday, April 17th 2009 4:07 am

    Actually, this tip didn’t work for me. In Windows XP, only XP is listed as an OS; in Windows 7, only 7 is listed as an OS. Each respective system thinks it’s the default, and I end up having to pick XP every time (now that I’m done beta testing 7 until the RC comes out)

  5. said this on Tuesday, January 20th 2009 2:21 am

    re: My earlier post/iReboot 1.1

    iReboot 1.1 DOES work in XP Pro.

    For some odd reason I hadn’t installed it. Corrected this today and tested it.

    My bad.

  6. Michael
    said this on Saturday, January 17th 2009 8:39 am

    Thanks, great help, i changed time out to min 3 seconds so its a quicker bootup now

  7. said this on Friday, January 16th 2009 11:34 pm

    I had this issue with a dual boot Vista – XP Pro system.

    I use EasyBCD 1.7.2 and also iReboot 1.1 to fix this and to choose which OS to switch to.

    Works with Vista and W7 – You can choose to boot into XP if you run it, but the app is not able to run on XP (XP Pro)

    Currently running Vista/XP Pro/Windows 7 Beta Two HD’s – tri boot.

    XP Pro and W7 on same HD.

    Get it from:

    http://neosmart.net/

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