Question about Acomdata 250GB External Firewire HD 250 GB FireWire 400 (1394a) Hard Drive

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My external harddrive will not power-up. Can I recover my data?

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Hello,

From what I can deduce here, it seems that you the hard drive probably has a bad sector on it.

Or there is a problem with the read/write head inside the hard drive.

In this case, what I would advise you to do is, unscrew the hard drive case and remove the Hard disk from the case, connect it directly to a system, not externally or through USB this time around, then get a software called NTFS DOS Professional. It is a software that works like magic when it comes to hard drive repairs.

If you know any other hard drive utility, apart from this, you can also use it. I just recommend this personally because that is what I use.

Insert it into your PC, start up your CD-ROM and let your system boot from CD-ROM.

It works through DOS, and it should be able to help you with it.

Just follow the on-screen instructions.

If this does not solve the problem, then I'm afraid you might need to replace the hard drive.

And if it repairs it, I would suggest that you just retrieve all your valuable files from it and don't fully rely on the hard drive again because of the hardware error it has developed. Just keep using it as a second.

If you cannot do this by yourself, just get a very good technician to do it for you instead.

Kindly keep me posted about the problem.

Hope it helps.

Goodluck.

Posted on Nov 23, 2009

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Asus pro31f series duoT2350 notebook does not boot up. Potential motherboard failure? How do I recover data?


A) Remove ALL power. Remove the AC adapter (Charger), and Battery.
B) Remove the Harddrive;

According to specifications it is a 100GB SATA harddrive.

Harddrives are measured across their width.
A laptop harddrive is 2.5 Inches across in width. (2 -1/2 inches)
Desktop harddrives are 3.5

Install the Asus Pro 31F harddrive in a 2.5 SATA external enclosure.
The external enclosure has a USB cable. Turns your laptop harddrive into an external harddrive.

One example of a 2.5 SATA external enclosure,

http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=3195233&CatId=2783

C) I believe what may be going on, is you have a failed Power MOSFET, or Power MOSFET's.

?O_O?

MOSFET,

http://en.wikipedia.org/wiki/MOSFET

Power MOSFET,

http://en.wikipedia.org/wiki/Power_MOSFET

D2PAK surface mount,

http://en.wikipedia.org/wiki/D2PAK

(Requires using a clip heatsink on each lead when soldering.
After all, this uses Transistors )

Motherboard problem, yes I believe you may be correct.
Repairable? Yes.
Find a tech that can perform this? Isn't easy.
Most just want to replace motherboards.
Why? More $$$$$$$$.

(Ahem, I'm telling you about it, so I am not one of these noobs! Lol!)

Regards,
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My Lacie external drive clicks but won't spin up. It is about a year old, maybe less. It was working fine and just stopped working. It has not been dropped. In fact it hasn't been moved.


Your harddrive is bad, the motor bearing that spins your cylinder heads is damaged, even though the harddrive hasn't been dropped, or removed, this is a result of faulty and cheap product. Theres nothing you can do to replace the motor bearing, you will need to just get a new harddrive and install into the external hd enclosure or get a new external drive. If you decide you want to recover your files, you will need to take this harddrive out and maybe take it to bestbuy/ office depot where they will have to send your harddrive out to a data recovery center. They might be able to recover some data, or all, or none. It is a pricey move to take this step.

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My hd with power but cannot detect by pc due to fall in the floor while using it. lots of important data and pics


Is this problem for an IOmega Prestige 500GB external harddrive?

While I wait for you to post in a Comment,

1) Inside that external harddrive's case, is a Harddrive just like what is used in a laptop computer.
The harddrive's case measures 2.5 inches across in width. (2 and a half inches)

The harddrive is a SATA harddrive. (Serial ATA)

At one end of the harddrive is a series of connector pins. These pins plug into a female connector, or receptacle.
The receptacle is called an Interface.

http://www.allpinouts.org/index.php/Serial_ATA_%28SATA,_Serial_Advanced_Technology_Attachment%29

The Interface will have connections for Data, (Information), and Power. (Socket holes that match the pins on the SATA harddrive)

In the link above the data, and power connections for the Iomega external harddrive, will probably be a combined unit. As shown in the 8th illustration down, in the above link.

The Interface can be soldered directly to a circuit board, (PCB, or Printed Circuit Board), or will be attached to the circuit board through wires.

Usually it is the circuit board that is the problem. Components burn out, or circuit traces on the circuit board are burned apart.
(Think of a circuit trace as being a very flat, thin copper wire)

There may be a situation where the harddrive itself has come loose from the Interface. Doesn't have to be very loose to make a bad connection, resulting in the external harddrive will not work.

My proposed solution:

Open the external harddrive's external enclosure, (Case), and see if you can see any readily apparent visual signs as stated above.

No visual signs that show you that you can just plug the Interface onto the harddrive, making a tight connection?
Or plug the harddrive into the Interface, if the Interface is soldered to the circuit board?
Or no obvious signs of blackened spots on the circuit traces?

It could be that one, or more I.C.'s are bad, and are not readily visible.
(I.C. = Integrated Circuit)

Weigh buying a used Iomega Prestige 500GB USB 2.0 harddrive, and use it's circuit board, and external enclosure, against what a professional recovery service will want to recover your data.
Not trying to be trite. Am asking you to weigh the costs.

One place that came up in a search just now, that is supposed to have used Iomega Prestige 500GB USB 2.0 external harddrives,

http://www.amazon.com/gp/offer-listing/B001D7REIK/ref=dp_olp_used?ie=UTF8&condition=used


How to open the external enclosure:

Remove the external harddrive from the stand. Remove labels for access to screws. The screws will probably be Torx screws. A star shaped recess in the screw head,

http://en.wikipedia.org/wiki/Torx

May be Philips head screws, but I'm betting on Torx. (Probably metric Torx also)
You should be able to find a cheap set of Torx screwdrivers at an auto parts store. Perhaps just the bits to use in a 1/4 inch nutdriver.

Once the screws are removed the internal parts slide out of one end, or the case comes apart in two halves, and the ends come off.
(Internal parts being the harddrive, and circuit board)

Not a very professional,approach, just for an added source of opening an external harddrive's case,

http://www.youtube.com/watch?v=hQ_vjyvK28A

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If you can remove the hard drives and use a usb interface to connect them then software like filescavanger will recover files providing the hard spins up ok.

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I've seen a lot of flack about these puppies lately. It's usually due to the external enclosure, the harddrive is in, and not the harddrive itself.

It is for this reason, that I suggest that you take the harddrive out of this enclosure, and install it into a decent, affordable, new external enclosure.
External enclosures are relatively cheap!

The harddrive inside the Maxtor One Touch II is a desktop size harddrive. It's a 3.5 inch one.
(3 and a half inches across in width)
It is a Sata harddrive.

These are examples of external enclosures for a Sata 3.5 inch harddrive,
http://www.tigerdirect.com/applications/category/category_slc.asp?CatId=2780&name=3.5-eSATA-enclosure&Nav=|c:2778|&Sort=0&Recs=10
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THE SECOND PART IS HARD TO READ BUT I WOULD SAY IF YOU ARE MIXING VOLTAGES ETC. YOU PROBABLY HAVE FRIED NUMEROUS THINGS. THIS IS NOT GOOD. FINDING A SECOND HAND BOARD IS VERY CHANCEY! YOU DON'T KNOW WHAT YOU ARE GETTING.THE DRIVE IS PROBABLY RUINED ALSO. YOU ARE LOOKING AT A MAJOR REPAIR, REBUILD. YOU NEED TO START TO GET EVERYTHING COMPATIBLE, SAME VOLTAGE ETC. DO NOT PLUG HARD DRIVES IN WITH POWER ON OR UNPLUG THEM WITH POWER ON. THAT WILL DESTROY THEM. THE DATA MIGHT BE RECOVEABLE ON THE ONE DRIVE, BUT IT WILL MIGHT HAVE TO BE SENT TO A SPECIAL LOCATION TO RECOVER THE DATA. THIS IS ALSO USUALLY FAIRLY EXPENSIVE SO BE PREPARED. HOPE THIS HELPS.

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Ok,Download software for recover your data from Memory Card, Phone, HDD or any other Storage Device ----
Download from the following link ------

http://www.dasofts.com/software/3675-recover-my-files-3.98-build-6218.html


Note- this software is works only with windows operating system so, connect your Memory Card, Phone, HDD or any other Storage Device to computer to recover data.



For any other help contact me.



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