Question about Hitachi 500GB External USB 2.0 Hard Drive

8 Answers

How do I recover data from a dead drive

My Hitachi external drive all the sudden is no longer recognized by my computer and I lost all my data.How can I recover this?I have been told this is quite common and very little support if any has been aquired through Hitachi. The External USB drive stopped working and emits a three tone melodic pattern 39 times, pauses for a few seconds. Emits a similar 3 tones as the 1st 29 but at a lower pitch, then repeats the original pitch three tones.
The Hard Drive is not spinning.
I am an Electronics Engineer and tested the dive with a substitue power supply (orig is 12V dc at 18 watts, I substitued a 12Vdc @ 700ma) with the same result.

Looking for information on the tones.

No noises were ever made by the drive. It has worked perfectly until turin it on the other day and hearing the beep codes.

Hitachi support responded with:
>
> Hello Darl,
>
> Thank you for contacting Hitachi Global Storage Technologies.
>
> Our DFT (drive fitness tool) is not applicable for your external hard
> drive.
> I guessed you did already the necessary troubleshooting for the drive.
and would like it sent in.

I'd like to recover the data if I could figure what the codes indicate.

Any help is very much appreciated.

May have to take it to the Geek Squad.

--Darl
HITACHI Part Number = H3500U FRU Number = 0A35777 Serial Number = R40T99GH

Posted by on

  • 1 more comment 
  • D-Lane Feb 18, 2009

    I'll drop in to device manager per the suggestion to see if the USB drivers are present. The drive does not spin up when turned on where before this failure mode it would regardless of connection to a USB cable. I'm hopeful and appreciate any suggestions to try and get this thing back to life.



    Thanks,

    D-Lane

  • D-Lane Feb 21, 2009

    rylee_smith: Thanks for your response to my delima!



    I tried connecting to my work PC (DELL) and it still plays it tones as listed in my problem description. I've tried three different PC's and none will detect that it's connected to the USB port and I have used the same USB port with different brands of USB travel drives.



    Still looking for othe ideas.



    Is it a choice to purchace an identical drive to then swap components to recover the data? Any procedures for this or does it require special equipment for "calibration" and alignment to be able to retrive the data.



  • D-Lane Feb 21, 2009

    I tried rylee_smiths suggestion for the device manager though none of three known good PC's reconize the drive is connected. Any additional help is much appreciated.

    Thanks,
    Darl

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8 Answers

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  • Master
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If the hard drive doesn't spin and you hear noise from the spindle motor it sounds like you may have a headcrash (head stuck to platter.) If you're courageous you can try to open the drive and try to spin the platter as you gently push the head off the platter. Technically you need a c100 clean room for this, it all depends on how important that data is for you. There are some good data recovery guides on youtube, especially the stuff from scott a. moulton. If you want to pay to have somebody do it for you there are third party Data Recovery Services.

Posted on Jul 26, 2010

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  • 164 Answers

Wow....
You could do allot of work and swap out the drive or open it and see if the bearings are frozen or: you can send it to a reputable company like we use at the AFB>
http://werecoverdata.com/landingpagegoogle.aspx?src=Google&gclid=CIeAu7mL7pgCFRWbnAod8CLK1A

Posted on Feb 21, 2009

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Hi just connect the hard drive with your system and go to my computer right and do a right click and in the option select manage

In themanage window go to disk management and check if the disk is detected or not.

If the disk is detected then right click on the drive and the assign a drive letter to your drive.

You will get all your data back

Posted on Feb 21, 2009

  • 1 more comment 
  • Chetan Gupta Feb 21, 2009

    Secondly if the light blinks then the drive is detected and you have usb drivers. Now if the drive fails to come in my computer tell me I will give you a second option

  • Chetan Gupta Feb 21, 2009

    The second option is open google and type in get data back for ntfs or fat 32 and its gives you a free software by whic you can get your data back

  • Chetan Gupta Feb 21, 2009

    Just connect your hdd and let the software do its job

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  • Master
  • 2,653 Answers

First thing, don't take it to the Geek Squad, they are worthless. You'll need a professional Data Recovery company to retrieve the info. Usually the cost is $300-1000 depending on the damage, amount of files, price of tea in China, etc. etc.

One thing that you can try since your'e an Engineer is to remove the drive from the external casing and then hook it up via a usb cable to a computer. If you haven't done so already.

Also you could replace the main board on the hard drive. DO NOT OPEN THE HARD DRIVE. You will ruin it. That little board on the bottom can be replaced though very easily without affecting the drive. You need to find the EXACT part number of the board and then search ebay for either that board alone or a complete drive so that you can swap the boards. This works sometimes and it's A LOT cheaper than the pro route.

Also you could try using Knoppix to access the drive. Depending on the damage or what's going one with the drive you might get by with that.

Posted on Feb 21, 2009

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  • Master
  • 6,966 Answers

Hi and welcome to FixYa,


The external storage device could be divided into 2 main sections:

  • the electronics (including power supply) and data interface;
  • the actual hard drive.
To verify that the electronics is faulty or not, the HD inside the Hitachi external must be physically removed and attached to a IDE/SATA to USB adapter and connected to your computer. If it runs, then the HD is good but the electronics/interface faulty.

On the other hand if with a separate USB adapter, the HD would still not be accessed/read, then it would be the hard drive itself that is faulty.

You could still use a file recovery program. while there could be equivalent freeware versions, I have had very good success with GetDataBack. Download a trial copy (NTFS and/or FAT) before purchase to ensure that said program can recover. The Demo will display files that could be recovered but will not effect copy of said recovered files.

Good luck and thank you for using FixYa.

Posted on Feb 17, 2009

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  • Hitachi Master
  • 60,792 Answers

There are many companies on the internet that u can send your drive to and they can recover the info from the disk, have u tried looking?

Posted on Feb 17, 2009

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  • 8,619 Answers

Hi!

Are the usb drivers installed. Go to device manager to check them

Posted on Feb 17, 2009

  • Rylee Smith
    Rylee Smith Feb 24, 2009

    If a drive is not recognized then it is either contaminated by a virus or its partition information was deleted with FDISK.



    Please use this software to retrieve the information from your unrecognizedDisk drive--



    Data Recovery



    Thanks

    Rylee

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  • Hitachi Master
  • 19,396 Answers

If the hard drive is beepoing, then it has broken heads.

Posted on Feb 17, 2009

  • Ginko
    Ginko Feb 17, 2009

    If the hard drive is beepoing, then it has broken heads or motor.

    This is called physical fault, and data recovery may be expensive.

    The beeping codes on hitachi are only for broken heads or broken motor, or logical board fault, bad sectors and similar do not cause beeping.

    That means that to recovery your data you need a device called clean room 100

    The service costs over $500


    A different thing is if the hard drive can be accessd by the system, but when it is beeping this is usually impossible.




  • Ginko
    Ginko Feb 17, 2009

    Below few company that can do this kind of data recovery. They can also help to diagnose the problem and give you a quote:

    Hitachi Data Recovery

    see also

    Recovering data from hard disk drives with motor failure ..


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