Can't install Ubuntu on my Windows 7 laptop

Posted by Ana on Ask Ubuntu See other posts from Ask Ubuntu or by Ana
Published on 2012-10-20T04:34:58Z Indexed on 2012/10/20 5:21 UTC
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wubi

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windows-7

I tried installing Ubuntu in two different ways:

First, I tried the Windows Installer, and it goes well until I reboot the system and, when booting on Ubuntu, I get the error:

No root file system defined.

Second, I uninstalled wubi by going to to Control Panel -> Uninstall Programs -> Ubuntu. Then, I booted the laptop from the live CD and selected install. It boots okay but in the screen right after the one that says to make sure you have 4.5 GB available, Internet connection, etc, when I click continue it throws me a message saying that Ubuntu had an internal error and asks me if I want to report the error. After that, I just have a black screen and nothing else! No Ubuntu installed, no boot option to go back to Windows. Nothing!

My goal is to install Ubuntu alongside Windows 7 (without the hassle of formatting the computer, creating partition, etc). How can I do it (preferable using Windows Installer)? How can I solve the "No root file system defined" that I encountered when I used the Windows Installer?

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