Question about Hitachi Deskstar T7K250 250 GB Hard Drive

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HDD not recognised

Hi, I'm trying to use the AS1200 usb 2.0 to SATA/IDE adapter with the Hitachi Deskstar T7K250 250GB internal HDD, but when I connect it to the computer it detects it as a usb mass storage devise and does not show up at all in disk management (windows XP pro SP2). In the device manager under disk drives I see my primary disc drive and another one called "USB Device" no code or brand of the drive. I don't have a desktop computer to install it internally and check if it works I only have a laptop. I should mention that the adapter works fine with dvd drives and 2.5" ide laptop internal HDDs. I also tried different combinations with the jumpers on the Hitachi IDE drive and nothing worked. Could you please let me know if you know of a possible solution? Thanks.

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  • Themos Mavromoustakis Jun 15, 2007

    Thanks for your answer, but i should tell you that I got this HDD today brand new and sealed from never been used before. I also tried using partition magic 8 on it but the programme won't even start when the drive is connected to the pc. It gives me an error message saying "Init failed: Error 100. Partition table is bad." and then it terminates. When the drive is not connected partition magic 8 works perfectly. I forgot to mention before that I also tried using this drive on a mac running mac os x 10.4.9 and the disk utility did not show the drive (same problem I've had with the windows machine). Do you think there might be something wrong with the hard disk itself?

  • Themos Mavromoustakis Jun 15, 2007

    the device you're talking about is very similar to the one I'm usnig I'm almost convinced that there's something wrong with the drive. I talked to Hitachi support today, it's only been 2 days since I had this HDD I'm still under warantee and I'm waiting for their response. Thanks again for all your help. If it turns out that the drive is ok I'll post a message saying what fixed it.



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HI Your Hard Drive is previously formatted and have done different partition provided by your previous machine where you took this hard drive from. Use "The Partition Magic" Software, it will help you to fix and repartition your hard drive in the new format. I have this problem before and now my hard drive can connect with any computer. The key in this issue is any hard drive goes with the original machine has been formatted and do its own partition from manufacturer so if you take it out later for use with other machine, you will need a software to completely rearrange the new partition in universal format so other computers can recognize it. This manufacturer purpose to protect your data from hacking, stealing once you take it out from the original machine. That is why when you connect it to other machine, this hard drive will not be recognized. I has this partition magic software and can make you a copy so you don't have to buy it. Just read the instruction and you can fix it for both 2.5" and 3.5" HD. Please email me at and provide me your mailing address, I can send the copy software to you. Regards, pingping

Posted on Jun 15, 2007

  • Joseph Dao
    Joseph Dao Jun 15, 2007

    HI sharhabomb
    Yes. It could be some defect in your new hard drive. If it is new and still under warranty, I suggest you to exchange it. It may have hardware defective. If you don't have any warranty on it, you can visit this web site. They sell a tool at very low price will help you to correct your hard drive in easy way. The tool is $24.00 only and it is USB connected device so you just connect your new hard drive to your PC and they will repair it for you. I didn't know how and try to buy one. Here is the web site: and the tool name is Emergency Drive Copy for both SATA and IDE type. Please click on the direct link below:
    Actually, my advise for use with Partition Magic for used Hard drives took out from one machine for use on another one but Brand New one should work at first but if it won't then there is some Hardware defective. You should contact with the store where you bought it for exchange or replace. i suggest to correct error for used one only. For a new hard drive, please don't spend time since you know for sure there is some defective unless you are out of warranty then you should take the option I provided above for self-repair at low cost($25.00 only for tool). Good Luck.



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