Why do I get "No root file system is defined" when I try install in one partition?

Posted by Emilio on Ask Ubuntu See other posts from Ask Ubuntu or by Emilio
Published on 2012-05-09T00:07:59Z Indexed on 2012/09/01 21:50 UTC
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Filed under:

installation

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12.04

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partitioning

The thing is that I have 3 partitions on my computer.

/dev/sda1 Type: ntfs (size 104MB; 35MB in use) [This is Windows Loader]

/dev/sda2 Type: ntfs (size 144598MB; 64536MB in use) [Here I want to install UBUNTU]

/dev/sda3 Type: ntfs (size 105353MB; 20227MB in use) [This my backup partition I don't wan't to delete anything from here, I have all my necessary information]

So the problem is when I select "Device for boot loader installation" "/dev/sda2"

Pops out:
"No root file system is defined.

Please correct this from the partitioning menu."

How can I resolve this? :)

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