External Hard drive says not accesable, im using it in Vista

By lojic1231 ·
My hard drive say's, drive not asscsable. Ive tryed changing the letter in disk mangament. Didnt work. But when i check properties in computer it says file is empty. Than when i check it in disk managment it says that there is still files on there. Its an 80gig toshiba. I got it when i was in iraq. Someone please help.

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Well assuming that it's worked previously on another computer

by OH Smeg Moderator In reply to External Hard drive says ...

The reason that this could be happening is

A Because there is not enough power available to run the drive. Check the USB Cable and if it has two plugs at the computer end make sure both are plugged into different USB Sockets or a Powered USB Hub. The Plug in the middle of the USB lead is for Data & Power while the one at the end of the lead is just for Power so it Can Not read the drive. If you have a External Power Adapter make sure that it's plugged into a working socket and that it is actually producing the 12 V DC as required.

B if the drive worked with XP previously it is possible that the drive was formatted with a system incompatible with Vista. Vista uses a newer Security protocol and requires any External HDD that is fitted to it to have been formatted with XP SP2 or newer. It is unable to read HDD's formatted by older OS's.

C The Drive is locked with some kind of Password Security which is preventing you from getting any access. If that is the case you need to install the Security program onto the Vista Computer and when prompted enter the Password to gain access to the HDD's Files. Of course if the Security program is not Vista Compatible you'll need to use a XP Computer to access your Files and copy them Unencrypted to some other Media so you can have access to them. After you have done this Format the Drive move it to the Vista Computer and format again. They you can copy whatever you like to the drive and use it.


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Thank you

by lojic1231 In reply to Well assuming that it's w ...

I will give it a try thank you very much

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Your Welcome

by OH Smeg Moderator In reply to Thank you

Lets know how you get on.


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If you were using the drive with XP

by Jacky Howe In reply to External Hard drive says ...

reattach the drive to an XP System.
With the external drive attached press the WinKey + Pause/Break and click the System Restore tab. Stop monitoring the drive and the system volume information directory should be removed.
Try it with Vista again.

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by lojic1231 In reply to If you were using the dri ...

I will give it a try also thank you very much for your help

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No problems

by Jacky Howe In reply to thanks

let us know how you get on.

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