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    Second hard drive not recognized !

    Discussion in 'Hardware Components and Aftermarket Upgrades' started by fisho33, Apr 2, 2012.

  1. fisho33

    fisho33 Newbie

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    I installed a new HD(SSD) in my HP Laptop and I bought a DVD caddy to put the old HD instead of the DVD.
    Now the old windows XP HD boots from the DVD bay and I can see and use the new HD.

    BUT when I boot in WIN7 from the new HD the old HD is not recognized. Disk Manager or win explorer don't see the second disk at all !!

    In device manager it shows it under other devices with an exclamation mark and it is unable to find a driver for it (ST9250421AS ATA Device) I already tried to update, to make changes in the BIOS and to remove limits in the DVD class in the registry... NO WAY

    The 2 disks work perfectly. no HW problem and in win XP I can use both... but I want to use WIN7.
     
    fisho33, Apr 2, 2012
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  2. V_Chip

    V_Chip Be about it.

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    Does your old HDD contain the file system and OS for XP?

    Could be as simple as conflicting configurations.

    Nothing a quick check in "Diskpart" or "Disk Management" can't verify.
     
    V_Chip, Apr 2, 2012
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  3. fisho33

    fisho33 Newbie

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    yes one disk has win7 and one has win XP.
    But why should they conflict and how to repair ?
    from win7 diskpart and disk management don't see the winXP drive at all.
    from XP old installation the new disk is usable without problems.
     
    fisho33, Apr 3, 2012
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  4. fisho33

    fisho33 Newbie

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    from other posts I found out that a problem could be that the HD is in a "too high" SATA mode for the DVD SATA controller (even if it should be backward compatible)
    What SW could I try to check if this is the problem ?
     
    fisho33, Apr 3, 2012
    #4