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Hi, my Toshiba 500 GB external hard drive is suddenly inaccessible! The message I am getting is "The parameter is incorrect" Can anyone advise what can be done to fix this problem? Thank you

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  • sami
    sami Oct 17, 2013

    I really wish to recover the data on the disk before formatting, although I tried to format it but that also failed as Windows is unable to access the drive and the only message I get "parameter is incorrect". Please note that my computer is detecting drive D when it is pluged in but cannot be accessed! There is no hardware defect, only I need to know if there is a way to fix the incorrect parameter and make the disk function again. Thanks

  • B.Boelens Oct 18, 2013

    It's either a hardware-problem or a software-problem. Thats's the reason why I've included 4 steps to see where the problem is located. I forgot to mention there's another thing you can perform under Windows, which is even shown at YouTube. Please check the following link.

  • B.Boelens Oct 18, 2013

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  • B.Boelens Oct 18, 2013



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You might consider the following steps first :

1) Try to remove the USB-cable from your PC. Now try to re-attach it to another USB-port at your PC.

2) Try to connect this external disk to another PC.

First of all, you should check if your harddisk is still under warranty and even may give it a call at Toshiba customer-service for help.

If you've lost warranty or prefer to solve it yourself, you can go for the following steps :

3) If this didn't solve the problem, there's a chance there's an internal failure of electronic components at your USB-enclosure. In such case it's best to remove the disk and see if you can reconnect it inside your computer to the motherboard. If the problem is solved, than, yes, it was a failure at the USB-enclosure. It's time to look for a different USB-enclosure which you can buy quite cheap online, or at a local store.

4) If the problem still maintains, you're problem is a bit larger: the harddisk got seriously damaged / defective.

Posted on Oct 15, 2013

Testimonial: "Thanks a lot B. Boelens for your support, however that did not work. I got no problems with the USB port on my laptop, also the portable disk has no hardware issues, something went wrong with the parameter! Have you got a way to fix the parameter? Thanks a million"

  • sami
    sami Oct 19, 2013

    Hi B. Boelens, thanks again for your continuous support. I tried following your advice and everything seemed to be going well until (while processing chkdsk/r (x:) I got a message "Error found. chkdsk cannot continue in read-only mode" What can I do to overcome this problem? Thanks a lot



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SOURCE: XP doesn't recognize my external 500 GB WD My book essential edition hard drive

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Plug in the drive.
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