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Windows 7: A disk read error has occurred, - after deleting partition

26 May 2012   #1

Windows 7 64 bit
 
 
A disk read error has occurred, - after deleting partition

Hi,
I'm new to the forums and have decided to post so I can hopefully resolve the mess I have got my girlfriends laptop into....

1. The laptop already had windows 7 on it but I wanted a clean install so I created a Windows 7 disk from an ISO on a usb stick.

2. It wouldn't however install onto the original partition as it froze during installation so I created another partition and installed Windows 7 on there.

3.I then set the new partition as active and ran startup repair multiple times to allow the correct boot files to be installed onto the new partition

4.I then used command prompt to delete the old boot partition that had the old Windows 7 on it, but then the laptop gave me the "A disk read error occurred" spiel

5.I have tried every command to rebuild my bcd in command prompt from the Windows 7 disk but it still says no installations are found after the /rebuildbcd command

Specs:
Windows 7 64 bit
Toshiba Sattelite C660
4GB Ram

Thanks for reading and replying in advanced, any help would be greatly appreciated.

My System SpecsSystem Spec
26 May 2012   #2

Microsoft Community Contributor Award Recipient

Microsoft Windows 7 Home Premium 64-bits 7601 Multiprocessor Free Service Pack 1
 
 

Does the new Windows 7 partition boot succesfully? Does it have a bootmenu with 2 options (new Windows 7, old Windows 7)?
Please post full screen image of diskmanagement with all fields visible. Please tell on which partition old Windows 7 is and on which partition new Windows 7
My System SpecsSystem Spec
26 May 2012   #3

Windows 7 64 bit
 
 

Thanks for the reply,

No it does not boot at all. All i get is black screen saying Disk Error. I did before get two options to pick Windows 7 at startup just after bios loading screen. I have completely deleted the old partition it is just unallocated space now, I cant get into disk management because the laptop will not boot.
My System SpecsSystem Spec
.


26 May 2012   #4

Microsoft Community Contributor Award Recipient

Microsoft Windows 7 Home Premium 64-bits 7601 Multiprocessor Free Service Pack 1
 
 

Quote   Quote: Originally Posted by ssell22 View Post
Hi,

3.I then set the new partition as active and ran startup repair multiple times to allow the correct boot files to be installed onto the new partition

4.I then used command prompt to delete the old boot partition that had the old Windows 7 on it, but then the laptop gave me the "A disk read error occurred" spiel

5.I have tried every command to rebuild my bcd in command prompt from the Windows 7 disk but it still says no installations are found after the /rebuildbcd command
Point 5 is normal! the OS is already in bootmenu.

Did you reboot after doing point 3? and system booted fine then?
My System SpecsSystem Spec
26 May 2012   #5

Windows 7 64 bit
 
 

Yes. After step 3 everything was fine but then I deleted boot partition in command prompt on the Windows 7 disk and then it gave me the error.
My System SpecsSystem Spec
26 May 2012   #6

Microsoft Community Contributor Award Recipient

Microsoft Windows 7 Home Premium 64-bits 7601 Multiprocessor Free Service Pack 1
 
 

If you boot into Recovery Environment... does it see the Windows 7 installation?
How many partitions are on disk?

"command prompt" in Windows 7 recovery environment:
Code:
 
diskpart
select disk 0
list part  (now you see how many partitions and the numbers)
sel part 0
det part
sel par 1
det part
sel par 2
det par
sel par 3
det par
exit
all partitions are healthy?

diskpart
list vol
exit

post results
My System SpecsSystem Spec
26 May 2012   #7

Microsoft Community Contributor Award Recipient

Microsoft Windows 7 Home Premium 64-bits 7601 Multiprocessor Free Service Pack 1
 
 

Quote   Quote: Originally Posted by ssell22 View Post
Yes. After step 3 everything was fine but then I deleted boot partition in command prompt on the Windows 7 disk and then it gave me the error.
so after step 3 you did boot succesfully. nice.
You didn't delete the boot partition I hope!! you mean old Windows 7 partition I assume(?)
My System SpecsSystem Spec
26 May 2012   #8

Windows 7 64 bit
 
 

All are Healthy, for reference the C partition "New" is the created partition with Windows 7 installed on it.

Also the second screen shot is of my system recovery screen


Attached Thumbnails
A disk read error has occurred, - after deleting partition-wp_000152.jpg   A disk read error has occurred, - after deleting partition-wp_000153.jpg  
My System SpecsSystem Spec
26 May 2012   #9

Windows 7 64 bit
 
 

Yes I delete delete the old windows partition but it was still labeled as the boot partition even though the new one was set as active, I could not figure out how to make the new partition the boot one
My System SpecsSystem Spec
26 May 2012   #10

Microsoft Community Contributor Award Recipient

Microsoft Windows 7 Home Premium 64-bits 7601 Multiprocessor Free Service Pack 1
 
 

diskpart
sel disk 0
list part


post ouput as well. C (new) is active?
My System SpecsSystem Spec
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