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Solved: External drive problems!

Discussion in 'Windows XP' started by diomar, Apr 18, 2008.

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  1. diomar

    diomar Thread Starter

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    I am trying to backup my files in a Lacie mobile hard drive 120 GB, but when I plug the disk in the rear USB 1)there is no sound (auto plug & play is OK) 2)DIsk not seing in my computer 3)disk not seing in disk managmenet 4)disk appear with (?) in device manager. Occasionaly when I disable and reenable from divice manager can see the disk but not always. I followed the istruction given from Microsoft (a registry thing!) and the result was to loose the identification letter of hard disks in disk management (no C: or D: or ...). I have checked with frewall and all is OK. When I plug the disk in any other pc it works fine and IMMY identified as external drive. I also renew the drivers on the motherboard. I have done almost (since still is not working) everytihing but with no result. I have XP Home with SP2 and 2 hard disk with 3 particions total. Any suggestion or new idea to solve the problem will be highly appreciated!
     
  2. zabusant

    zabusant

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    Hi diomar!

    Does the question-mark in device manager stay after you unplug the disk?

    Anyway, plug it in, go to device manager, right click the ? and select uninstall. Restart the PC (keeping the disk plugged in) and see if it will detect it and install the drivers.:)
     
  3. diomar

    diomar Thread Starter

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    Ok let me try that and revert. I belive that there will be a problem since when I leave it pluged in the pc cannot reboot, it stacks excalty after bios loading...
     
  4. zabusant

    zabusant

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    If that's the case, you might have a PSU (power supply unit) issue. Unplug any other USB stuff (wireless keyboard, mouse...).

    Anyway, it's not crucial you leave it in, just plug it in after you log on.:)
     
  5. diomar

    diomar Thread Starter

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    I can only say THANKS. It was so simple ! Everyhting is working fine now!
     
  6. zabusant

    zabusant

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    No problem, please mark it solved (top of the page in "thread tools"). :D
     
  7. diomar

    diomar Thread Starter

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    Hello Zabusant,
    Same problem appeared again. The only difference with previous setup is that I have service pack 3, and that was installed to solve some problems including this one, the other problems solved this one remains.
    When I plug the external hard drive to ANY USB, the hardware installer identifies something is being installed but it put a questionmark next to it in device manager and occasionaly it give a warning that the hardware has not been properly installed and will not work/. I tried what you suggested in the past. Uninstalled the driver, keep it plug and start the computer, identifies the usb mass storage device, put a questionmark and nothing is working. I can not also see it under disk managment.
    Any ideas? Thanks in advance.
     
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