I have a laptop with Windows 7 and am blocked from running Ubuntu from the CD I made. Any ideas?

Did you MD5 test the ISO you downloaded?
Did you burn the CD as slowly as possible?

Before you install I suggest you use Windows 7 to resize it's own partition (after rerunning your backups) to make free space to install Ubuntu to

Dear Actionparsnip,

I've burned a new CD as slowly as possible and have attended to point 3. I
don't know what an MD5 is so I haven't done that.

I have made progress though. I now get to choose an operating system and get
a purple Ubuntu screen. Unfortunately this revents to a screen that
indicates failure and seems to require initramfs. It's supposed to be
self-diagnostic, but I don't understand the codes.

Sorry to bother you.

Alastair.

----- Original Message -----
From: "actionparsnip" <email address hidden>
To: <email address hidden>
Sent: Wednesday, May 18, 2011 6:41 PM
Subject: Re: [Question #158076]: I have a laptop with Windows 7 and am
blockedfrom running Ubuntu from the CD I made. Any ideas?

Your question #158076 on Ubuntu changed:
https://answers.launchpad.net/ubuntu/+question/158076

    Status: Open => Answered

actionparsnip proposed the following answer:
Did you MD5 test the ISO you downloaded?
Did you burn the CD as slowly as possible?

Before you install I suggest you use Windows 7 to resize it's own
partition (after rerunning your backups) to make free space to install
Ubuntu to

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If you haven't MD5 tested the ISO then you have no way of knowing the data is complete and consistent.

https://help.ubuntu.com/community/HowToMD5SUM