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Vista won't boot


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#1 cyberdyne

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Posted 11 April 2011 - 10:35 AM

Hi all,
I have done a silly thing. I had two partitions on my laptop. One was my main 60+GB NTFS Vista partition and the other was a 10GB FAT recovery partition created by the manufacturer. The recovery partition was at the beginning of the drive and the Vista after it. I needed to gain some extra space so using Easeus partition manager I deleted the recovery partition - as I could never see myself needing it since the laptop is approx. 6 years old - and attempted to resize the Vista partition to use up all of the available HDD space including that gained by deleting the recovery partition. Easeus said I needed to reboot, which I did, but for some reason didn't run itself after the reboot. I'm assuming I deleted the MBR as it will no longer boot.

I inserted a Vista recovery disc and first tried to use Startup Repair, which didn't work and then used a command prompt to fixmbr but it still does not boot. I now receive an error message at boot saying 'autochk program not found - skipping AUTOCHECK' and after 10 seconds or so it blue screens.

I'd greatly appreciate any help in getting this running.
Many thanks in advance.

Acer Aspire 9300
Win Vista Home Premium SP2

Edited by cyberdyne, 11 April 2011 - 10:38 AM.


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#2 JSntgRvr

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Posted 11 April 2011 - 04:02 PM

Boot with the Vista CD and bring the computer to a command prompt. At the prompt type the following and press Enter:

Bootrec /fixmbr

If successful, restart the computer. Let me know the outcome.

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#3 cyberdyne

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Posted 11 April 2011 - 04:13 PM

JSntgRvr, I should have mentioned I tried that earlier without success but have just tried again for you and rebooted. The returned message in the command promtp was the command completed succesfully but upon boot, I got the same error as above regarding autochk then the blue screen.

Many thanks for your reply.

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#4 JSntgRvr

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Posted 11 April 2011 - 04:42 PM

Lets try to rebuild the BCD.

Boot with the Vista CD and bring the computer to a command prompt. At the prompt type the following and press Enter:

BCDEdit /export c:\bcd_backup

This command should be successful before continuing. It is always important to backup the BCD before rebuilding the store. If successful, at the prompt type the following and press Enter:

Attrib -s -h -r C:\boot\bcd
Ren C:\boot\bcd bcd.old
bootrec /rebuildbcd


The computer will be scanned, and once the installation is detected a dialog box will appear asking if you want to add the installation to the boot list. Select Yes(Y)

If successful, restart the computer and test.

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#5 cyberdyne

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Posted 11 April 2011 - 04:48 PM

Lets try to rebuild the BCD.

Boot with the Vista CD and bring the computer to a command prompt. At the prompt type the following and press Enter:

BCDEdit /export c:\bcd_backup


After this first command, I got the message:

The store export operation has failed.
The system cannot find the path specified.


I should add, if it helps, I can remove and connect this hard drive to another laptop as a usb drive.
I also have a UBCD v.4.1.1 disc ready but am unsure which utilities to.

Additional info; Ranish Partition Manager says about the partition on which my OS resides "Boot sector doesn't have valid information"

Edited by cyberdyne, 11 April 2011 - 04:58 PM.

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#6 JSntgRvr

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Posted 11 April 2011 - 05:02 PM

No. Not yet.


Booting with the VISTA CD, at the command prompt type the following and let me know if any error messages:


C:
cd \
Dir c:\Windows


What do you see on screen?

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#7 cyberdyne

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Posted 11 April 2011 - 05:11 PM

C:
What do you see on screen?


The system cannot find the drive specified.

cd \
What do you see on screen?


X:\>

Dir c:\Windows
What do you see on screen?


The system cannot find the path specified.

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#8 JSntgRvr

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Posted 11 April 2011 - 05:17 PM

Then the partition is gone?

Take note of this information. Is there a drive letter assigned to the operating system?

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#9 cyberdyne

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Posted 11 April 2011 - 05:23 PM

Then the partition is gone?

Take note of this information. Is there a drive letter assigned to the operating system?


Yes "(Unknown) C: 70GB"

I know my data is still there as I did not delete it. However, I believe the information needed for the boot process to find it is gone. Can this not be fixed with the boot and/or partition utilities from the UBCD ?

Thanks

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#10 cyberdyne

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Posted 11 April 2011 - 06:00 PM

JSntgRvr, many thanks for your help but I've managed to get it to boot.

I removed the drive and attached it to another laptop, then used Easeus to resize the C: partition to include the space recovered by deleting the recovery partition. I then used the Win Vista Recovery disc to repair the MBR and bingo, it booted :)

Many thanks for your help.

Edited by cyberdyne, 11 April 2011 - 06:18 PM.

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#11 JSntgRvr

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Posted 11 April 2011 - 06:07 PM

Removing the contents.

Thanks for the feedback.

Edited by JSntgRvr, 11 April 2011 - 06:07 PM.

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#12 cyberdyne

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Posted 11 April 2011 - 06:18 PM

Welcome.

Now off to read Easeus usage docs carefully to try and work out what went wrong. :)

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