A disk read error has occurred, - after deleting partition

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  1. Posts : 22
    Windows 7 64 bit
       #1

    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 W7 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 W7 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 W7 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 W7 disk but it still says no installations are found after the /rebuildbcd command

    Specs:
    W7 64 bit
    Toshiba Sattelite C660
    4GB Ram

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


  2. Posts : 10,796
    Microsoft Windows 7 Home Premium 64-bits 7601 Multiprocessor Free Service Pack 1
       #2

    Does the new win7 partition boot succesfully? Does it have a bootmenu with 2 options (new win7, old win7)?
    Please post full screen image of diskmanagement with all fields visible. Please tell on which partition old win7 is and on which partition new win7
      My Computer


  3. Posts : 22
    Windows 7 64 bit
    Thread Starter
       #3

    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 Computer


  4. Posts : 10,796
    Microsoft Windows 7 Home Premium 64-bits 7601 Multiprocessor Free Service Pack 1
       #4

    ssell22 said:
    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 W7 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 W7 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 Computer


  5. Posts : 22
    Windows 7 64 bit
    Thread Starter
       #5

    Yes. After step 3 everything was fine but then I deleted boot partition in command prompt on the W7 disk and then it gave me the error.
      My Computer


  6. Posts : 10,796
    Microsoft Windows 7 Home Premium 64-bits 7601 Multiprocessor Free Service Pack 1
       #6

    If you boot into Recovery Environment... does it see the win7 installation?
    How many partitions are on disk?

    "command prompt" in win7 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 Computer


  7. Posts : 10,796
    Microsoft Windows 7 Home Premium 64-bits 7601 Multiprocessor Free Service Pack 1
       #7

    ssell22 said:
    Yes. After step 3 everything was fine but then I deleted boot partition in command prompt on the W7 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 win7 partition I assume(?)
      My Computer


  8. Posts : 22
    Windows 7 64 bit
    Thread Starter
       #8

    All are Healthy, for reference the C partition "New" is the created partition with W7 installed on it.

    Also the second screen shot is of my system recovery screen
    Attached Thumbnails 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 Computer


  9. Posts : 22
    Windows 7 64 bit
    Thread Starter
       #9

    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 Computer


  10. Posts : 10,796
    Microsoft Windows 7 Home Premium 64-bits 7601 Multiprocessor Free Service Pack 1
       #10

    diskpart
    sel disk 0
    list part


    post ouput as well. C (new) is active?
      My Computer


 
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