Question about SimpleTech 250GB USB2.0 7200 RPM External 250 GB IDE Hard Drive

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Need driver i am using windows xp and my computer is not recognizing this external hard drive

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  • maris12345 Apr 03, 2008

    Precisely, I thought it was plug and play. I have USB ports 1.1 and 2.0 and I just tried a wireless mouse on the same port that I am plugging the external hard drive (2.0), but it doesn't read it. The blue light on it starts blinking and then it froze my computer. Right my external hard drive is not being detected.

  • maris12345 Apr 03, 2008

    I mean the mouse worked, but this 250Gb external hard drive doesn't in the 2.0 USB

  • maris12345 Apr 03, 2008

    Yes the USB 2.0 ports are on an expansion card. I followed your instructions about utilizing an external A/C power source to the unit and it worked in the sense that when I click on my computer I can see the Removable Disk (E:) drive icon in it. But when I double click on it or try to open it I can't and I get the following message: Please insert a disk into drive E: !? No I was not getting system issues when plugging in my wireless mouse, but when plugging in the SimpleTech 250Gb external hard drive.

    Thank you, Maris 12345

  • maris12345 Apr 03, 2008

    I rebooted my computer after proceeding with your instructions on changing the disk's letter, and I am still getting a message saying that I need to insert a disk into drive E:. I am now going to connect this device to another computer and see if the other computer can read it.

  • maris12345 Apr 03, 2008

    ok I have tried this external hard drive device in another computer and when I double clicked on the F: drive in this case, I got the same message saying that I need to install a disk in the F drive. I have given up and going to return this product. I also tried a flash drive on my computer before taking the device to a second computer and the flash drive worked. I think there is something wrong with this unit. But thank you very much for your help.


  • Akol Deograceous Jul 16, 2008

    Am using windows XP service pack 2 my USB port work on the flash and other USB devices like the mouse, Printer,Cam etc but i can seem to read the External Hard Drive yet the other computers seem to read it!kindly send me a messsege on

  • Akol Deograceous Jul 16, 2008

    I can not seem to access the external hard drive on my computer via the USB Port!Yet i can read the other devices!



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Hello maris12345

You shouldn't need drivers for your USB mass storage device on Windows XP. It should be "plug-n-play".

Is yours an older computer? If the computer's USB interface (hardware) is not at least USB ver 1.1 then that may be the problem. (I assume your external hard drive isn't being detected, yes?)

Can you run other USB devices on the same port(s) OK?


Posted on Apr 03, 2008

  • 2 more comments 
  • B Joan Rapier
    B Joan Rapier Apr 03, 2008

    Hello maris12345

    Are the USB 2.0 ports on an expansion card or are they built into the system?

    Try the external hard drive on one of the USB 1.1 ports. It should still be detected. The system will just notify you that it would run better on a high speed port.

    Make sure the external hard drive is powered (that you're using an A/C adapter w/ it). Some computers' USB ports don't supply enough power for these mass storage devices. They end up pulling the whole USB bus down.

    The next thing to try is plugging the external drive into a different computer with, preferably, USB 2.0 ports and see if it's detected OK there.

    Also, if your getting system lock ups when plugging in your wireless mouse, there could be issues w/ the USB hardware or XP drivers. But that could be a red herring. I wouldn't follow that trail yet. Try something other than a wireless device - like a flash drive for instance. Plug in one USB device at a time, too. You may have a load problem on your USB bus.


  • B Joan Rapier
    B Joan Rapier Apr 03, 2008

    Did you reboot the computer after having applied power to the external hard disk? If not, please, do this b4 proceeding.

    (01) Click on START
    (02) Click on RUN
    (03) Type in the box (verbatim): diskmgmt.msc
    (04) Find the drive for the external hard disk on the left
    (05) Right-click on it and choose: "Change Drive Letter and Paths"
    (06) Click on the CHANGE button
    (07) Select a drive letter way down the alphabet . Drive letter "U" for instance
    (08) Click OK
    (09) Close the DISK MANAGEMENT window
    (10) Restart your computer (you shouldn't have to restart but it can't hurt)


    BTW, have you tried connecting this drive to another computer yet? This is an important step in determining if the issue is w/ the external hard disk or w/ your computer.

  • B Joan Rapier
    B Joan Rapier Apr 03, 2008

    Go back into Disk Management and see what drive letter the external hard drive is being detected as now (after you changed it to a different drive letter).

    It should be the new drive letter (not "E"). If it is being detected as the new drive letter, then there's something going on w/ your computer w/ respect to that drive letter.

    Let's see what happens w/ the device connected to a different computer. I think it's going to work.

  • B Joan Rapier
    B Joan Rapier Apr 03, 2008

    You're certainly welcome.

    I think you're right. If the unit is in warranty, have them replace it for you. You've pinned the problem down to the unit. Just tell 'em that at the store and you should get a new one.

    It's been nice working w/ you. Happy computing!




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