Tried to upgrade Ubuntu 16.4 to 17.10. Failed . Ubuntu does not start

Do what the error message tells:

Perform a full file system check on the sda6 partition.

You have to boot an Ubuntu installer on a bootable hard disk or DVD in the "Try Ubuntu without installing" mode and run the fsck command (with appropriate parameters).

Oops, mistyped

You have to boot an Ubuntu installer on a bootable USB stick or DVD in the "Try Ubuntu without installing" mode and run the fsck command (with appropriate parameters).

Won't open. Screen shows:- error: no such partition.
Entering rescue mode....
grub rescue>
________________________________
From: <email address hidden> <email address hidden> on behalf of Manfred Hampl <email address hidden>
Sent: Friday, March 23, 2018 9:02:41 AM
To: <email address hidden>
Subject: Re: [Question #667120]: Tried to upgrade Ubuntu 16.4 to 17.10. Failed . Ubuntu does not start

Your question #667120 on Sikuli changed:
https://answers.launchpad.net/sikuli/+question/667120

    Status: Open => Answered

Manfred Hampl proposed the following answer:
Do what the error message tells:

Perform a full file system check on the sda6 partition.

You have to boot an Ubuntu installer on a bootable hard disk or DVD in
the "Try Ubuntu without installing" mode and run the fsck command (with
appropriate parameters).

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If this answers your question, please go to the following page to let us
know that it is solved:
https://answers.launchpad.net/sikuli/+question/667120/+confirm?answer_id=0

If you still need help, you can reply to this email or go to the
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https://answers.launchpad.net/sikuli/+question/667120

You received this question notification because you asked the question.

Did you already perform the file system check?

I used a Ubuntu 12.4 cd and tried no success

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________________________________
From: <email address hidden> <email address hidden> on behalf of Manfred Hampl <email address hidden>
Sent: Saturday, March 24, 2018 11:52:53 AM
To: <email address hidden>
Subject: Re: [Question #667120]: Tried to upgrade Ubuntu 16.4 to 17.10. Failed . Ubuntu does not start

Your question #667120 on Sikuli changed:
https://answers.launchpad.net/sikuli/+question/667120

    Status: Open => Needs information

Manfred Hampl requested more information:
Did you already perform the file system check?

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To answer this request for more information, you can either reply to
this email or enter your reply at the following page:
https://answers.launchpad.net/sikuli/+question/667120

You received this question notification because you asked the question.

With what did you have "no success"?

With booting from an installer
or
with selecting the "try Ubuntu without installing" mode
or
with running fsck
or
with something else
?

It's running fsck probably.

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________________________________
From: <email address hidden> <email address hidden> on behalf of Manfred Hampl <email address hidden>
Sent: Saturday, March 24, 2018 2:43:17 PM
To: <email address hidden>
Subject: Re: [Question #667120]: Tried to upgrade Ubuntu 16.4 to 17.10. Failed . Ubuntu does not start

Your question #667120 on Sikuli changed:
https://answers.launchpad.net/sikuli/+question/667120

    Status: Open => Needs information

Manfred Hampl requested more information:
With what did you have "no success"?

With booting from an installer
or
with selecting the "try Ubuntu without installing" mode
or
with running fsck
or
with something else
?

--
To answer this request for more information, you can either reply to
this email or enter your reply at the following page:
https://answers.launchpad.net/sikuli/+question/667120

You received this question notification because you asked the question.

If you want help, then you have to provide information.
Just telling "probably" is not enough.

Besides that, Why have you asked this question in the support area for Sikuli? I do not see any relationship to that package.