How can I fix a “no root file system found” error after installing Ubuntu?

radi May 3, 2010

Recently, I got a new Asus laptop with Windows Vista installed on it. I installed Ubuntu using Wubi on it and when it booted for first time I received the following error message:

“No root file system is defined. Please correct this from the partitioning menu.”

So how to solve this problem?
Please help me.

  1. Jay
    December 17, 2011 at 7:49 pm

    I was using the wubi installer to run Ubuntu alongside Windows XP. I get the option to boot either Ubuntu or Windows on startup but end up with the same error msg. Obviously this is an idiotic software bug as the wubi installer is suppose to be taking care of such things automatically. So much for Ubuntu. All they are doing is running people back to windows when this sort of BS occurs.

  2. Omkumar19
    February 6, 2011 at 3:57 pm

    I got the same problem, anyone please help what to do?

    • Noreply
      February 7, 2011 at 3:37 pm

      same problem here.. Can't seem to fix it.. And I can't enlarge my other partitions so I can steal a piece from windows vista.. Damn windows, always trouble with that shit, bah.. At least Ubuntu gives the option to delete everything and make a new clean install, damn vista recovery disks don't.. And for some reason, I can't make my partitions be gone again.. I'm stuck with a pre-defined kind of irritating partition system, and some free disk space or unallocated room when I delete the partitions I'm making. Can't enlarge the existing ones, only make them smaller and such.. Bah.. Wish I could install Ubuntu first, but that gives problems if I want a dual boot with windows, so I'm screwed, or does anyone knows a solution for our problem?

      • Qweweqe3eq3
        August 29, 2011 at 11:47 pm

        found a clean  windows 7 installation disc, install it, find crack from youtube, and enjoy

  3. Lisa
    May 9, 2010 at 6:32 pm

    How can I by pass the password to reinstall ubuntu? I cannot access the grub menu.

    • Tina
      May 9, 2010 at 6:41 pm


      please post this as a new question. Click the green "Ask a Question" button in the top right of this site to open the question form.

  4. Anonymous
    May 4, 2010 at 2:07 am

    I second re-installing. It appears that the bootloader is not working. And I've just found this free downloadable Ubuntu 10.04 getting started manual with a dedicated chapter about troubleshooting:

    You might want to take a peek.

  5. jhpot
    May 4, 2010 at 12:30 am

    I'd suggest re-trying the installation process; it sounds like it didn't work.

    • Fieldthesources
      December 30, 2011 at 8:40 am

      haha and re-try the installation process again if re-trying the installation process doesn't work

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