[Bug 1165281] Re: 12.10 to 13.04 Failed, Now Get "An upgrade from raring to quantal is not supported with this tool"

[sindhu]

** Changed in: ubuntu-release-upgrader (Ubuntu)
       Status: Triaged => Fix Released

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https://bugs.launchpad.net/bugs/1165281

Title:
  12.10 to 13.04  Failed, Now Get "An upgrade from raring to quantal is
  not supported with this tool"

Status in “ubuntu-release-upgrader” package in Ubuntu:
  Fix Released

Bug description:
  Lenovo X220, Ubuntu 12.10

  The screen went black during the upgrade to 13.04.

  The last thing I experienced was a black screen with a really loud
  fan. CTRL+ALT+F2 did nothing. The last thing I saw was "Unpacking Deja
  Vu TTF" then poof, blackness.

  I had to reboot. I landed in what appears to be the old system.

  When I try running `update-manager -d` again, I get the option to
  Partial Upgrade. I click it.

  It says: "An upgrade from raring to quantal is not supported with this
  tool"

  If I instead click Continue, I get a list with a thousand packages.
  Some of which aren't selected. I haven't dared to go beyond that.

  What just happened? How do I fix things?

  Regards,

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