Question about Seagate FreeAgent Pro - 500GB, 7200 RPM, USB 2.0, eSATA, External 500 GB Hard Drive

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Seagate FreeAgent 1TB - I/O device error

My 1TB FreeAgent was working just fine and then it just stopped. My Vista machine can see it as a drive connected to the computer, but it can't access it and gives me an error message saying that there is an I/O device error. I hooked it up to my XP machine and it locked up the device detector. I suspect the problem has to do with the external device talking to the computer, not the files stored on the drive itself. I contacted Seagate and asked what to do - I've had this drive for less than a year. They failed to respond to my questions regarding warranty coverage and told me I needed to pay for a data recovery service. What to do?

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  • 3 more comments 
  • azachry Jul 13, 2009


    I got an error message that reads: "Access Denied as you do not have sufficient privileges. You have to invoke this utility running in elevated mode."


  • azachry Jul 13, 2009

    I right-clicked on the drive and "Computers" was suddenly "(Not Responding)" and I got the Vista "ring of death" for a few seconds, then nothing happened. I did this several times with the same response. The box did not pop up to give me the option of selecting "Properties."

  • azachry Jul 13, 2009

    What I got, after waiting for it to think about it for a bit, is a message that reads: "The type of the file system is RAW. CHKDSK is not available for RAW drives."

  • azachry Jul 13, 2009

    I think I want to try and get my data off the drive before I try to format it. But, I'll try your strategy once that's done. I agree that it's probably time to send it in. The unit is still well within warranty and they will send me a new one, but they want to charge me to get my data off of it. Looking at all the other postings of other people who have had similar problems, I'm concerned that it's just going to happen again, though. I guess I'll just have to see. Thank you very, very much for taking the time to help me with this. You've gotten me a lot farther than I ever would have gotten on my own with this problem.

  • azachry Jul 13, 2009

    Ekse took me through a lot of constructive steps to try and figure out what was going on. I couldn't have gotten this far without his help.



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you can check your warranty info here

Warranty - repair / replacement should be free. They will charge for data recovery.
You could hook it up to another case or directly into your computer to see if it works. But It would void the warranty as you would need to take the case apart.

What you can try though, is connect it to your computer and find out what drive letter it has.
Then open up the run menu by pressing windows key and then R, in run menu type in CMD and press ok

Type CHKDSK /F /X H:

Replace H: with the correct drive letter.

Let me know the results of the scan or do you receive a error?

Posted on Jul 11, 2009

  • 2 more comments 
  • Ekse Jul 13, 2009

    Alright, lets try this instead, open my computer from your desktop or from start menu - > computer

    Right click on the drive, select properties. Then open the tools page, then click on ERROR CHECKING - CHECK NOW


    Automatically fix file system errors, make sure its checked.
    Also Scan for and attempt recovery of bad sectors.

    if you get a message, windows can't check the dist while its in use, click schedule disc check and restart the computer.

  • Ekse Jul 13, 2009

    Okay, in that case follow these instructions:

    Open notepad. (hold down windows key and press r - then type notepad and click OK)
    In notepad type the following

    @echo off

    Thats all, remember to press enter after @echo off.
    Now click File - Save As.

    Save the file to your desktop, name the file exactly: run.cmd
    Change the file type to ALL

    Click save.

    On your desktop you should have Run icon with a special gear in the center.
    Right click on the icon and select Run As Administrator.

    Now your in the same cmd promt as in the first suggestion, now type

    CHKDSK /F /X H:

    Replace H: with the correct drive letter.

  • Ekse Jul 13, 2009

    Its starting to seem like a mechanical problem with the drive, are you in or outside of warranty?

    Try this

    format H: /FS:NTFS /X

    Replace H with the drive letter, we are trying to format the drive, if the format fails, Time to send the drive to repair. Check your warranty here

    If you are outside of warranty and you wish to try a few more things with it, you could remove the hard drive from the case and connect it directly to your computer to see if it works, if it does, then the issue is either the power adapter if it uses one or the usb case is faulty. you can purchase a new usb case if you like.

  • Ekse Jul 13, 2009

    I personally use filescavenger for file recovery, also, format does not write over the content so the contents are still intact on the disc and recoverable with a file recovery software. Unless the head of the drive has crashed and in that case the head would be dragging along the whole disc making it completely un useable.

    File Scanvenger is a great file recovery software, I've recovered pictures from computer hard drives and memory sticks that where format and even somewhat written over, some of the content has always been recoverable.



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