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external hard disk not detected?

By piyush raj ·
my hard disk was working properly,suddenly it is not detecting in neither my computer nor any system/laptops.what i have to do ?
plz tell me.

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Well assuming that you have not looked in the Drive Management

by OH Smeg In reply to external hard disk not de ...

I think you'll find that the External Drive shows up as a RAW Format. This happens when the user fails to use the Safely Remove Option Under Windows to dismount the external Drive before disconnecting the drive or turning off the computer. What happens is that because the power is suddenly removed the Drive doesn't shut down correctly and the Partition Information gets corrupted.

The way to proceed here depends on just how Important the Data Actually is. If it is Vital to get back there is only one answer and that is to take it to a Profession Data Recovery House and Pay them to recover the Data on the Drive.

If it would just be nice to get back you can try one of the many Data Recovery Applications which may recover the data but they just as likely may not so that is why I say if the Data is Important Take it to a Professional without doing anything at all. The more that you mess with it now the more expensive the recovery will be and the less likely you are to be to get a 100% Recovery into the bargain.

Here is a short list of the better ones

http://tinyurl.com/273ay5

http://tinyurl.com/rmvrv

http://tinyurl.com/yvrsl

http://tinyurl.com/yyk8cm

http://tinyurl.com/382vm

http://tinyurl.com/ynwnel

http://tinyurl.com/nc4kx

http://tinyurl.com/2wox7l

http://tinyurl.com/374d8b

http://tinyurl.com/djw6u

http://tinyurl.com/f73se

http://tinyurl.com/8bd3f

http://tinyurl.com/afu2j

While the last 2 are from the same company they are very different products. Win Hex should only be considered foe use by someone who knows Hex Inside Out while Davory is a great cheap General Purpose Application.

Personally I prefer the On Track Option but it's anything but cheap. However because I use this type of software a lot it's paid for itself many times over by now, for a cheaper option Spin Rite from Gibson Research or Stella have both very good reputations by other TR members.

Or if you are really tight/brave you can try CHKDSK/r on the External Drive. It may work but equally it may not.

Col

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Try this

by Jacky Howe In reply to external hard disk not de ...

First off try connecting to a rear port as it could be just a problem with the USB connection, the USB cable, the USB HUB or the USB enclosure. If that isn't successful remove the drive from the USB enclosure and connect it directly to the Motherboard. See the documentation that came with your System to connect the Hard drive. Start the System.

Now you will need to find out the drive letter that has been allocated to the Drive. Open Explorer to check the drive letter that has been allocated.

Restart the System. Press the WindowsKey + r type cmd and press Enter.

now type chkdsk driveletter:/r

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