Aspire 5742 recovery disk stopped 1/2 way w/error message & won't boot

My Acer Aspire 5742 recovery disk stopped 1/2 way threw the process giving me an error message. Now my laptop won't boot up!

I have an Acer Aspire 5742 laptop that runs Windows 7. When I got it I made the back-up disk immediately (like it suggest) so that I could restore it to the original settings in case I had a problem or it slowed down. It had finally slowed down lately so much so that I decided to use the disks to get it back to how it was when I got it. The 1st of the 3 disks went find, however part way threw the 2nd I got a message saying there was an error & it could not be completed.

I exited out of the message & it brought up a black screen that says “Windows Boot Manger” at the top.

Then it is followed by:

“Windows failed to start. A recent hardware or software change might be the cause. To fix the problem:

1. Insert your Windows installation disc and restart your computer.
2. Choose your language settings, and then click “Next.”
3. Click “Repair your computer”.

If you do not have this disk, contact your system administrator or computer manufacturer for assistance

Status: OxcOOOOOOf (note: these many be zero’s, not sure)

Info: the boot selection failed because a required device is inaccessible.

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I’ve tried everything I can think of but can’t get it to boot up. When I press Esc & then F2 I get to the SetUp Utility but can’t do anything from there to get it to boot up. I don’t know that much about using this utility so there maybe something that someone can suggest. When I exit this utility it brings me right back to the Windows Boot Manager. This laptop did not come with any disks at all.

Does anyone know of anything I can do to get my laptop to boot up again? Does Acer sell the system restore disks & is so, does anyone know what it would cost?

Thanks for any help or advice,
Kit