Disk error when trying to install Windows 7 Pro as dual boot

Discussion in 'Windows 7 Installation' started by shyamalg, Jun 11, 2011.

  1. shyamalg

    shyamalg New Member

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    Hi

    I've been trying to install Windows 7 Pro upgrade as dual boot with XP Home, and keep getting the message (something like) "Disk read error - press ctr-alt-del to restart" at the first boot during the installation process.

    Have checked the hard drive for errors, and there are none. Have replaced the hard drive with a brand new one, and get the same result.

    [I also tried installing Windows 7 Home Premium upgrade, and get the same result.]

    I have :
    Pentium (R) Dual-core CPU E5400 2.70 GHz
    Two SATA hard disks -- 500 GB & 1 TB (have been trying to install Win7 Pro on the first hard disk)
    DVD Multi drive
    4 GB RAM
    Windows XP Home


    Help is much appreciated. Thanks.
     
  2. patcooke

    patcooke Microsoft MVP
    Staff Member Premium Supporter Microsoft MVP

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    Aread error on install suggests a problem with either the install disk or the optical drive.
     
  3. shyamalg

    shyamalg New Member

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    Thanks for your response.

    I've tried with 2 other install disks, and have also tried installation from a virtual DVD drive. Same results !!

    Must be something else...............
     
  4. Saltgrass

    Saltgrass Excellent Member
    Microsoft Community Contributor

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    How old is the DVD drive? Some drives might need a firmware update to read the install media.


    Can you read the files on the media by just looking at it in XP? If so, you may want to go the bootable flash drive direction.
     
  5. shyamalg

    shyamalg New Member

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    Thanks for your responses.

    Finally figured it out -- meaning the penny finally dropped. :rofl:

    Upgrade versions don't permit dual booting. The EULA says so, which I had missed. And M$ in its wisdom kept on giving me the "disk read error........" message instead of of an "illegal operation...." kind of message.

    I was trying to do a dual boot install on a Win XP Home upgrade with a Win 7 Pro upgrade version.

    Earlier I had successfully used Win 7 Home Premium upgrade to dual-boot on XP Home OEM versions on other computers. Which, it seems, is permitted. And I had assumed the same would be possible on XP upgrade versions. Not so.

    Am slightly wiser now. :)
     

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